Check out the companies making headlines yesterday:

Avis Budget Group (NASDAQ: CAR): Car rental services provider Avis (NASDAQ: CAR) fell by 9% on Monday after the stock continued to pull back as the company agreed to sell up to 5 million shares of its common stock. See our full article here.

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Boston Scientific (NYSE: BSX): Medical device company Boston Scientific (NYSE: BSX) fell by 9.4% on Monday after Raymond James downgraded the stock to Outperform from Strong Buy, citing worries about the company's growth prospects. See our full article here.

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CLEAR Secure (NYSE: YOU): Identity verification company CLEAR Secure (NYSE: YOU) rose by 3.9% on Monday after long airport security lines caused by a government shutdown reportedly drove a surge in demand and app downloads for its services. See our full article here.

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DNOW (NYSE: DNOW): Energy and industrial distributor DNOW (NYSE: DNOW) fell by 4.4% on Monday after markets reacted to President Trump's threat to "completely obliterate" Iran's energy infrastructure and the critical Kharg Island hub. See our full article here.

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Comcast (NASDAQ: CMCSA): Telecommunications and media company Comcast (NASDAQ: CMCSA) rose by 2% on Monday after the company announced new all-in-one technology plans for small businesses and continued the expansion of its high-speed internet network. See our full article here.

Is now the time to buy Comcast? Access our full analysis report here, it's free.