Check out which companies are making headlines after the bell Monday:
Red Hat - The software company posted second-quarter earnings of 35 cents a share, excluding one-time items, on revenue of $374 million, beating analyst expectations for 33 cents a share on sales of $372 million. Still, shares dropped sharply in extended-hours trading.
Goldcorp - The gold producer is willing to consider takeovers, according to a report from Reuters, citing the firm's CEO Chuck Jeannes. Shares ticked higher in extended-hours trading.