Notable Wednesday Option Activity: LH, AXDX, TMO

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Laboratory Corporation of America Holdings (LH), where a total volume of 4,149 contracts has been traded thus far today, a contract volume which is representative of approximately 414,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 64.6% of LH's average daily trading volume over the past month, of 642,250 shares..