Check out which companies are making headlines after the bell on Monday:
Ascena Retail Group saw its stock plummet 24 percent in after-hours trading after the company reported quarterly earnings of 8 cents per share, missing expectations of 16 cents per share. Its revenue of $1.81 billion beat estimates of $1.77 billion.
It also gave weak fiscal 2017 earnings guidance of 60 to 65 cents per share, below an 83 cents estimate.
Shares of Seaworld Entertainment dropped more than 10 percent in after-hours trading after the company announced it slashed its quarterly dividend to 10 cents per share from 21 cents per share.
Billionaire investor Carl Icahn reduced his stake in Chesapeake Energy to 4.6 percent from 9.4 percent, sending the stock nearly 4 percent lower in after-hours trading. The energy company ended the regular session down 7.35 percent, despite U.S. crude oil prices settling higher.
Royal Caribbean Cruises announced it was raising its quarterly dividend by 28 percent to 48 cents per share from 38 cents per share. The global cruise vacation company saw its stock jump by half a percent.
Shares of IBM briefly rose nearly 1 percent in after-hours trading after the tech giant announced it extended its collaboration with Red Hat for next-generation cloud platforms.
Shares of Community Health Systems popped nearly 5 percent in after-hours trading, following a Reuters report that Apollo Global Management is in talks to acquire the healthcare services company's assets.