Skip to main content
Recent Quotes
My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Overview
News
Currencies
International
Treasuries

Copper Sector (CIX: MSECTOR131 )

372.09 UNCHANGED
Streaming Delayed Price Updated: 2:30 PM EDT, Jun 25, 2024 Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Sep 30, 2015 513.65 525.02 507.27 522.54 0 +18.02(+3.57%)
Sep 29, 2015 499.02 507.34 494.80 504.52 0 +6.22(+1.25%)
Sep 28, 2015 499.92 509.08 489.65 498.30 0 -25.15(-4.80%)
Sep 25, 2015 532.18 534.89 517.94 523.45 0 -5.64(-1.07%)
Sep 24, 2015 514.20 533.08 510.69 529.09 0 +6.23(+1.19%)
Sep 23, 2015 539.27 541.35 521.38 522.86 0 -14.07(-2.62%)
Sep 22, 2015 522.40 543.78 513.81 536.93 0 -4.25(-0.78%)
Sep 21, 2015 548.23 551.51 539.15 541.18 0 -6.54(-1.19%)
Sep 18, 2015 562.38 565.29 541.02 547.72 0 -32.43(-5.59%)
Sep 17, 2015 574.07 597.18 570.54 580.15 0 +1.39(+0.24%)
Sep 16, 2015 568.26 582.26 566.88 578.76 0 +14.40(+2.55%)
Sep 15, 2015 559.84 572.86 557.47 564.35 0 +3.84(+0.69%)
Sep 14, 2015 564.39 572.74 552.11 560.51 0 -10.37(-1.82%)
Sep 11, 2015 568.30 575.67 559.77 570.88 0 +2.25(+0.40%)
Sep 10, 2015 556.71 571.18 552.25 568.63 0 +16.12(+2.92%)
Sep 09, 2015 565.31 577.50 545.85 552.51 0 +2.03(+0.37%)
Sep 08, 2015 543.86 554.89 535.43 550.48 0 +29.49(+5.66%)
Sep 04, 2015 521.00 521.00 521.00 521.00 0 -16.29(-3.03%)
Sep 03, 2015 526.49 547.71 523.95 537.29 0 +13.35(+2.55%)
Sep 02, 2015 523.11 528.67 505.33 523.93 0 +13.35(+2.61%)
Sep 01, 2015 517.93 529.77 506.74 510.59 0 -29.73(-5.50%)
Aug 31, 2015 527.86 547.92 520.12 540.32 0 -6.16(-1.13%)
Aug 28, 2015 553.78 569.37 537.68 546.48 0 +10.56(+1.97%)
Aug 27, 2015 486.00 546.81 482.42 535.92 0 +68.85(+14.74%)
Aug 26, 2015 480.95 482.42 457.97 467.07 0 -6.33(-1.34%)
Aug 25, 2015 508.18 508.50 472.83 473.39 0 -12.37(-2.55%)
Aug 24, 2015 471.77 510.27 458.39 485.76 0 -28.42(-5.53%)
Aug 21, 2015 524.57 530.14 511.58 514.18 0 -12.07(-2.29%)
Aug 20, 2015 533.31 540.03 523.95 526.25 0 -0.93(-0.18%)
Aug 19, 2015 526.75 533.56 518.82 527.18 0 -7.50(-1.40%)
Aug 18, 2015 539.41 541.54 523.80 534.68 0 -14.21(-2.59%)
Aug 17, 2015 540.33 551.20 537.11 548.89 0 +4.35(+0.80%)
Aug 14, 2015 543.18 552.52 539.01 544.54 0 +2.13(+0.39%)
Aug 13, 2015 545.58 551.04 538.28 542.41 0 -6.85(-1.25%)
Aug 12, 2015 541.24 552.47 536.33 549.26 0 +0.74(+0.13%)
Aug 11, 2015 565.70 565.94 536.05 548.52 0 -36.21(-6.19%)
Aug 10, 2015 544.19 587.58 541.16 584.73 0 +33.14(+6.01%)
Aug 07, 2015 566.80 574.72 548.99 551.58 0 -20.38(-3.56%)
Aug 06, 2015 556.01 574.55 550.60 571.96 0 +12.90(+2.31%)
Aug 05, 2015 574.59 585.84 558.04 559.06 0 -5.43(-0.96%)
Aug 04, 2015 567.38 576.43 556.95 564.49 0 +6.77(+1.21%)
Aug 03, 2015 571.68 575.28 555.27 557.71 0 -19.38(-3.36%)
Jul 31, 2015 581.37 587.24 567.47 577.10 0 +4.43(+0.77%)
Jul 30, 2015 586.37 589.88 564.41 572.67 0 -17.54(-2.97%)
Jul 29, 2015 578.21 594.23 573.12 590.21 0 +11.43(+1.98%)
Jul 28, 2015 559.33 588.12 551.06 578.77 0 +30.55(+5.57%)
Jul 27, 2015 561.69 579.24 544.07 548.22 0 -26.08(-4.54%)
Jul 24, 2015 596.94 597.55 565.08 574.30 0 -29.61(-4.90%)
Jul 23, 2015 636.40 639.62 591.89 603.91 0 -26.39(-4.19%)
Jul 22, 2015 638.18 645.30 624.68 630.30 0 -18.37(-2.83%)
Jul 21, 2015 636.42 662.73 633.89 648.67 0 +17.21(+2.73%)
Jul 20, 2015 642.48 649.56 628.35 631.46 0 -21.83(-3.34%)
Jul 17, 2015 661.41 663.75 644.25 653.29 0 -13.38(-2.01%)
Jul 16, 2015 674.24 678.27 662.20 666.67 0 -1.73(-0.26%)
Jul 15, 2015 682.83 683.68 664.32 668.40 0 -15.42(-2.25%)
Jul 14, 2015 677.30 686.65 670.63 683.81 0 +1.39(+0.20%)
Jul 13, 2015 667.49 686.00 659.91 682.43 0 +13.92(+2.08%)
Jul 10, 2015 681.01 687.48 665.87 668.50 0 +3.57(+0.54%)
Jul 09, 2015 677.23 684.00 664.32 664.93 0 +2.98(+0.45%)
Jul 08, 2015 678.10 686.28 658.10 661.95 0 -20.13(-2.95%)
Jul 07, 2015 678.70 686.36 644.62 682.08 0 -11.87(-1.71%)
Jul 06, 2015 691.84 704.00 685.48 693.96 0 -15.05(-2.12%)
Jul 02, 2015 709.01 709.01 709.01 709.01 0 +3.02(+0.43%)
Jul 01, 2015 712.35 716.98 700.36 705.99 0 -6.21(-0.87%)
Jun 30, 2015 735.97 737.95 708.54 712.20 0 -21.77(-2.97%)
Jun 29, 2015 739.97 749.16 733.02 733.97 0 -14.40(-1.92%)
Jun 26, 2015 740.78 751.48 735.59 748.38 0 +5.97(+0.80%)
Jun 25, 2015 760.58 768.06 738.56 742.41 0 -21.38(-2.80%)
Jun 24, 2015 749.65 777.44 748.66 763.79 0 +18.12(+2.43%)
Jun 23, 2015 734.35 750.22 729.82 745.67 0 +12.74(+1.74%)
Jun 22, 2015 740.29 744.04 731.48 732.93 0 -7.79(-1.05%)
Jun 19, 2015 755.10 757.11 738.80 740.72 0 -20.64(-2.71%)
Jun 18, 2015 755.98 766.14 745.74 761.36 0 +12.01(+1.60%)
Jun 17, 2015 752.82 756.32 736.18 749.35 0 -0.10(-0.01%)
Jun 16, 2015 739.12 752.98 733.95 749.45 0 +10.85(+1.47%)
Jun 15, 2015 736.41 747.00 732.95 738.60 0 -10.85(-1.45%)
Jun 12, 2015 747.00 752.11 739.67 749.46 0 +0.92(+0.12%)
Jun 11, 2015 758.37 759.13 743.11 748.54 0 -13.46(-1.77%)
Jun 10, 2015 767.05 773.26 758.60 761.99 0 +13.46(+1.80%)
Jun 09, 2015 741.22 756.59 738.11 748.54 0 +11.22(+1.52%)
Jun 08, 2015 746.54 748.10 733.29 737.32 0 -6.33(-0.85%)
Jun 05, 2015 736.74 749.87 732.45 743.65 0 +2.68(+0.36%)
Jun 04, 2015 743.95 747.83 736.55 740.97 0 -10.19(-1.36%)
Jun 03, 2015 763.90 769.56 747.14 751.16 0 -11.23(-1.47%)
Jun 02, 2015 737.62 770.64 737.24 762.39 0 +28.06(+3.82%)
Jun 01, 2015 740.96 741.38 728.84 734.34 0 -4.41(-0.60%)
May 29, 2015 751.07 755.42 738.23 738.74 0 -14.78(-1.96%)
May 28, 2015 754.87 757.83 742.41 753.52 0 -2.77(-0.37%)
May 27, 2015 751.59 760.38 748.26 756.29 0 +2.06(+0.27%)
May 26, 2015 770.38 771.63 748.38 754.23 0 -24.01(-3.09%)
May 22, 2015 778.24 778.24 778.24 778.24 0 -8.34(-1.06%)
May 21, 2015 793.09 799.64 776.84 786.58 0 -3.00(-0.38%)
May 20, 2015 789.35 797.82 781.10 789.58 0 +2.90(+0.37%)
May 19, 2015 794.21 799.61 780.83 786.68 0 -19.61(-2.43%)
May 18, 2015 815.06 819.06 801.16 806.29 0 -17.38(-2.11%)
May 15, 2015 825.83 829.26 813.72 823.68 0 -3.13(-0.38%)
May 14, 2015 821.72 834.58 815.86 826.80 0 +11.59(+1.42%)
May 13, 2015 818.79 827.02 811.10 815.21 0 -1.27(-0.16%)
May 12, 2015 818.49 829.35 810.03 816.48 0 -2.55(-0.31%)
May 11, 2015 829.82 833.47 815.86 819.03 0 -8.83(-1.07%)
May 08, 2015 828.84 837.25 820.41 827.86 0 +9.06(+1.11%)
May 07, 2015 815.09 822.19 805.96 818.79 0 -10.71(-1.29%)
May 06, 2015 840.49 843.04 823.23 829.50 0 -5.57(-0.67%)
May 05, 2015 837.64 843.97 828.95 835.07 0 +1.98(+0.24%)
May 04, 2015 848.26 851.52 830.41 833.09 0 -9.94(-1.18%)
May 01, 2015 834.63 850.16 832.10 843.03 0 +14.08(+1.70%)
Apr 30, 2015 814.78 839.00 806.98 828.95 0 +7.25(+0.88%)
Apr 29, 2015 811.71 828.26 807.23 821.71 0 +3.10(+0.38%)
Apr 28, 2015 804.81 821.93 802.06 818.61 0 +142.51(+21.08%)
Apr 27, 2015 668.23 682.43 663.99 676.10 0 -95.38(-12.36%)
Apr 24, 2015 759.80 780.42 758.35 771.48 0 +23.09(+3.09%)
Apr 23, 2015 735.61 757.91 730.30 748.38 0 -3.62(-0.48%)
Apr 22, 2015 748.84 756.29 740.96 752.00 0 +9.58(+1.29%)
Apr 21, 2015 754.82 756.30 737.40 742.42 0 -13.69(-1.81%)
Apr 20, 2015 755.16 768.44 753.01 756.11 0 +0.11(+0.01%)
Apr 17, 2015 751.93 759.29 748.27 756.00 0 -3.74(-0.49%)
Apr 16, 2015 760.23 768.17 750.53 759.74 0 +2.38(+0.31%)
Apr 15, 2015 723.97 765.43 721.86 757.36 0 +35.98(+4.99%)
Apr 14, 2015 715.15 724.87 704.52 721.38 0 +15.29(+2.17%)
Apr 13, 2015 710.16 713.27 700.06 706.09 0 -1.25(-0.18%)
Apr 10, 2015 714.77 721.01 702.81 707.34 0 -7.43(-1.04%)
Apr 09, 2015 716.00 726.36 711.86 714.77 0 -5.58(-0.78%)
Apr 08, 2015 732.44 735.21 719.04 720.35 0 -2.08(-0.29%)
Apr 07, 2015 726.93 731.80 720.27 722.44 0 -3.95(-0.54%)
Apr 06, 2015 725.82 732.21 721.87 726.39 0 +7.48(+1.04%)
Apr 02, 2015 718.91 718.91 718.91 718.91 0 +3.28(+0.46%)
Apr 01, 2015 721.52 729.08 710.72 715.63 0 -3.21(-0.45%)
Mar 31, 2015 720.48 724.54 710.95 718.84 0 -12.41(-1.70%)
Mar 30, 2015 706.49 736.70 704.81 731.25 0 +27.07(+3.84%)
Mar 27, 2015 722.32 725.91 696.77 704.18 0 -19.95(-2.76%)
Mar 26, 2015 728.22 741.71 718.88 724.13 0 +3.53(+0.49%)
Mar 25, 2015 731.56 738.84 718.99 720.60 0 -8.05(-1.11%)
Mar 24, 2015 727.79 741.71 715.99 728.65 0 -6.93(-0.94%)
Mar 23, 2015 723.61 739.13 715.63 735.59 0 +17.80(+2.48%)
Mar 20, 2015 695.89 730.72 694.81 717.79 0 +27.64(+4.00%)
Mar 19, 2015 704.53 707.18 685.05 690.15 0 -19.07(-2.69%)
Mar 18, 2015 681.07 712.89 677.16 709.22 0 +18.11(+2.62%)
Mar 17, 2015 691.35 701.00 684.54 691.11 0 -5.99(-0.86%)
Mar 16, 2015 699.27 705.38 685.68 697.09 0 -2.59(-0.37%)
Mar 13, 2015 706.83 708.06 689.48 699.68 0 -15.52(-2.17%)
Mar 12, 2015 725.63 735.17 712.07 715.20 0 +5.62(+0.79%)
Mar 11, 2015 701.95 712.28 687.86 709.58 0 +7.66(+1.09%)
Mar 10, 2015 708.94 720.40 698.63 701.92 0 -21.73(-3.00%)
Mar 09, 2015 720.10 729.93 715.37 723.66 0 +3.02(+0.42%)
Mar 06, 2015 728.45 735.29 715.01 720.63 0 -19.58(-2.65%)
Mar 05, 2015 753.83 759.84 737.52 740.21 0 -14.88(-1.97%)
Mar 04, 2015 755.10 758.05 737.20 755.10 0 +3.95(+0.53%)
Mar 03, 2015 751.57 751.77 750.76 751.14 0 -6.08(-0.80%)
Mar 02, 2015 763.11 768.62 746.99 757.22 0 -6.65(-0.87%)
Feb 27, 2015 762.02 773.52 754.94 763.87 0 +6.06(+0.80%)
Feb 26, 2015 757.45 757.95 755.48 757.81 0 -8.11(-1.06%)
Feb 25, 2015 763.30 770.55 756.41 765.92 0 +4.89(+0.64%)
Feb 24, 2015 762.31 769.99 753.89 761.03 0 +10.34(+1.38%)
Feb 23, 2015 754.17 759.79 740.62 750.69 0 -11.98(-1.57%)
Feb 20, 2015 759.68 765.55 754.12 762.67 0 +1.98(+0.26%)
Feb 19, 2015 760.83 768.95 754.92 760.69 0 -8.73(-1.13%)
Feb 18, 2015 758.47 777.14 753.86 769.41 0 +8.76(+1.15%)
Feb 17, 2015 742.31 767.35 738.98 760.65 0 +10.77(+1.44%)
Feb 13, 2015 749.88 749.88 749.88 749.88 0 +17.35(+2.37%)
Feb 12, 2015 720.11 734.56 718.08 732.53 0 +25.46(+3.60%)
Feb 11, 2015 710.24 712.66 692.91 707.07 0 -5.43(-0.76%)
Feb 10, 2015 719.54 724.41 702.42 712.50 0 -14.05(-1.93%)
Feb 09, 2015 711.20 734.32 708.38 726.55 0 +17.64(+2.49%)
Feb 06, 2015 715.10 724.54 706.66 708.92 0 -18.65(-2.56%)
Feb 05, 2015 697.00 730.36 689.75 727.56 0 +27.97(+4.00%)
Feb 04, 2015 694.31 713.21 685.74 699.60 0 -7.47(-1.06%)
Feb 03, 2015 684.29 712.32 681.11 707.06 0 +43.99(+6.63%)
Feb 02, 2015 656.52 670.73 647.68 663.08 0 +11.80(+1.81%)
Jan 30, 2015 638.60 663.76 633.41 651.27 0 +7.61(+1.18%)
Jan 29, 2015 653.12 654.45 630.43 643.66 0 -9.88(-1.51%)
Jan 28, 2015 671.05 677.58 652.19 653.53 0 -19.12(-2.84%)
Jan 27, 2015 662.57 684.44 658.56 672.65 0 -27.01(-3.86%)
Jan 26, 2015 684.45 703.70 679.00 699.66 0 +12.23(+1.78%)
Jan 23, 2015 702.30 706.13 685.37 687.43 0 -26.93(-3.77%)
Jan 22, 2015 711.45 717.49 705.75 714.36 0 +9.38(+1.33%)
Jan 21, 2015 694.25 709.34 692.00 704.98 0 +20.07(+2.93%)
Jan 20, 2015 684.39 688.34 673.11 684.91 0 -0.45(-0.07%)
Jan 16, 2015 659.68 688.19 657.59 685.37 0 +33.07(+5.07%)
Jan 15, 2015 652.30 652.49 648.21 652.30 0 -5.31(-0.81%)
Jan 14, 2015 656.47 668.85 617.83 657.61 0 -48.90(-6.92%)
Jan 13, 2015 706.51 706.51 706.51 706.51 0 -48.44(-6.42%)
Jan 12, 2015 754.35 759.62 739.69 754.95 0 -11.84(-1.54%)
Jan 09, 2015 768.29 772.45 758.49 766.79 0 +1.09(+0.14%)
Jan 08, 2015 753.91 769.43 748.25 765.70 0 +18.47(+2.47%)
Jan 07, 2015 741.37 749.94 732.35 747.23 0 +11.33(+1.54%)
Jan 06, 2015 730.96 746.18 727.82 735.89 0 +5.66(+0.77%)
Jan 05, 2015 756.47 757.34 724.89 730.24 0 -40.76(-5.29%)
Jan 02, 2015 763.18 775.95 760.54 771.00 0 +6.16(+0.81%)
Dec 31, 2014 764.84 764.84 764.84 764.84 0 -6.01(-0.78%)
Dec 30, 2014 762.88 776.17 759.65 770.85 0 +6.27(+0.82%)
Dec 29, 2014 770.62 777.60 762.16 764.58 0 -4.04(-0.53%)
Dec 26, 2014 758.95 777.94 758.14 768.62 0 +14.64(+1.94%)
Dec 24, 2014 753.98 753.98 753.98 753.98 0 +3.27(+0.44%)
Dec 23, 2014 742.93 759.48 739.40 750.71 0 +9.86(+1.33%)
Dec 22, 2014 761.71 764.15 736.14 740.85 0 -19.72(-2.59%)
Dec 19, 2014 751.69 765.89 746.11 760.57 0 +12.30(+1.64%)
Dec 18, 2014 738.20 749.30 729.31 748.26 0 +23.09(+3.18%)
Dec 17, 2014 706.10 730.81 704.65 725.17 0 +24.04(+3.43%)
Dec 16, 2014 701.13 729.19 699.55 701.13 0 -9.81(-1.38%)
Dec 15, 2014 737.18 739.41 709.16 710.94 0 -21.31(-2.91%)
Dec 12, 2014 759.27 761.81 731.47 732.25 0 -31.01(-4.06%)
Dec 11, 2014 770.95 781.10 757.83 763.26 0 -21.05(-2.68%)
Dec 10, 2014 802.65 807.60 783.36 784.31 0 -24.78(-3.06%)
Dec 09, 2014 797.97 814.96 790.27 809.10 0 -2.20(-0.27%)
Dec 08, 2014 829.87 836.78 807.98 811.29 0 -23.77(-2.85%)
Dec 05, 2014 831.78 843.21 825.79 835.06 0 -3.62(-0.43%)
Dec 04, 2014 838.57 847.70 830.19 838.69 0 -2.58(-0.31%)
Dec 03, 2014 831.30 851.35 827.67 841.27 0 +16.16(+1.96%)
Dec 02, 2014 823.78 842.45 816.87 825.10 0 -7.94(-0.95%)
Dec 01, 2014 842.16 845.54 816.48 833.04 0 -11.66(-1.38%)
Nov 28, 2014 859.96 860.86 836.16 844.71 0 -53.86(-5.99%)
Nov 26, 2014 898.56 898.56 898.56 898.56 0 +3.79(+0.42%)
Nov 25, 2014 893.72 901.35 889.38 894.77 0 -0.17(-0.02%)
Nov 24, 2014 906.78 911.01 888.93 894.94 0 -11.66(-1.29%)
Nov 21, 2014 903.42 918.22 894.65 906.61 0 +34.19(+3.92%)
Nov 20, 2014 852.47 873.46 851.58 872.42 0 +9.12(+1.06%)
Nov 19, 2014 866.32 868.72 853.89 863.30 0 -8.09(-0.93%)
Nov 18, 2014 876.75 882.61 865.39 871.39 0 -4.77(-0.54%)
Nov 17, 2014 873.28 882.46 864.43 876.16 0 -0.32(-0.04%)
Nov 14, 2014 850.38 877.78 845.79 876.48 0 +20.96(+2.45%)
Nov 13, 2014 874.96 878.70 851.68 855.52 0 -18.58(-2.13%)
Nov 12, 2014 874.81 886.80 869.01 874.11 0 -0.34(-0.04%)
Nov 11, 2014 858.00 877.63 855.52 874.45 0 +10.72(+1.24%)
Nov 10, 2014 875.77 880.10 862.03 863.73 0 -8.87(-1.02%)
Nov 07, 2014 850.66 874.82 850.28 872.60 0 +27.61(+3.27%)
Nov 06, 2014 837.29 853.63 833.54 844.99 0 +7.03(+0.84%)
Nov 05, 2014 847.49 854.03 833.70 837.96 0 -10.28(-1.21%)
Nov 04, 2014 846.75 857.39 843.84 848.24 0 -3.27(-0.38%)
Nov 03, 2014 857.81 872.07 837.24 851.50 0 -3.47(-0.41%)
Oct 31, 2014 841.48 856.14 826.71 854.97 0 +11.53(+1.37%)
Oct 30, 2014 852.58 855.72 838.89 843.44 0 -28.88(-3.31%)
Oct 28, 2014 878.99 892.68 857.88 872.33 0 -12.31(-1.39%)
Oct 27, 2014 887.28 897.15 884.64 884.64 0 -12.04(-1.34%)
Oct 24, 2014 895.95 903.24 889.50 896.68 0 -3.94(-0.44%)
Oct 23, 2014 905.55 908.63 894.84 900.62 0 -19.69(-2.14%)
Oct 21, 2014 913.33 927.70 905.37 920.30 0 +24.68(+2.76%)
Oct 20, 2014 886.65 899.72 883.51 895.62 0 +10.98(+1.24%)
Oct 17, 2014 890.09 899.71 882.67 884.65 0 +4.25(+0.48%)
Oct 16, 2014 860.12 893.46 857.00 880.40 0 +2.29(+0.26%)
Oct 15, 2014 877.60 889.42 856.91 878.11 0 -10.73(-1.21%)
Oct 14, 2014 891.02 907.00 880.89 888.84 0 +8.18(+0.93%)
Oct 13, 2014 880.81 881.76 879.76 880.67 0 -1.19(-0.14%)
Oct 10, 2014 880.00 901.26 866.03 881.86 0 -6.32(-0.71%)
Oct 09, 2014 919.76 921.05 886.27 888.18 0 -30.29(-3.30%)
Oct 08, 2014 903.41 920.44 889.59 918.47 0 +16.20(+1.80%)
Oct 07, 2014 916.68 923.24 901.63 902.27 0 -21.96(-2.38%)
Oct 06, 2014 924.18 935.22 910.93 924.23 0 +6.00(+0.65%)
Oct 03, 2014 917.09 921.74 905.71 918.23 0 +2.92(+0.32%)
Oct 02, 2014 917.02 923.32 898.85 915.31 0 -1.00(-0.11%)
Data & News supplied by www.cloudquote.io
Stock quotes supplied by Barchart
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms and Conditions.