Check out which companies are making headlines after the bell Wednesday:
Compuware - The software company said it expects to post earnings of between 5 cents a share and 6 cents a share, excluding one-time items, on revenue of $237 million to $241 million in the fourth quarter, sharply missing current expectations for 15 cents a share on sales of $273 million. Shares tumbled after being temporarily halted following the news in extended-hours trading.
"While we are very disappointed in our fourth-quarter results, we nonetheless remain confident that the actions we have taken to improve our competitive position and drive profitable growth are working and will enable us to fully unleash the value of this company," said CEO Bob Paul in a press release.
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Lululemon Athletica - The yogawear company said its chief product officer Sheree Waterson will leave the company, as the firm gave an update on a March announcement that it was recalling pants that were unacceptably sheer. Shares slipped in extended-hours trading.
Crocs - The shoe manufacturer named Andy Sackmann as its Chief Marketing Officer. Sackmann initially joined the company as vice president of marketing in June 2011.
McCormick - The spices and herbs manufacturer announced a new $400 million share repurchase program. Shares were largely unchanged in extended-hours trading.
Sarepta Therapeutics - RW Baird initiated coverage of the medical research and drug development company with an "outperform" rating and a price target of $63.
Tenet Healthcare continued to decline in extended-hours trading. The health-care delivery systems company was the worst performing stock on the S&P 500.
Meanwhile, the index's best performer Abercrombie & Fitch was largely unchanged in extended-hours trading. The retailer rose in the regular session amid optimism about its international expansion plans.