After-hours buzz: ROST, GPS, AMAT & more

Check out which companies are making headlines after the bell:

Shares of Ross Stores (NASDAQ: ROST) skyrocketed more than 10 percent in extended trading Thursday after the clothing outlet beat expectations on its second-quarter earnings. The company reported bottom-line profits of 82 cents per share on revenue of $3.43 billion.

Gap (NYSE: GPS) stock soared more than 10 percent in after-hours trading after the clothing company posted easily topped expectations in its second-quarter earnings report. The company's bottom-line earnings of 68 cents per share trounced Reuters estimates of 52 cents; the company reported revenue of $3.8 billion.

Shares of Applied Materials (NASDAQ: AMAT) rose more than 3 percent in extended trading after the manufacturing supply corporation outperformed Thomson Reuters estimates in its third-quarter earnings report.

Shares of Electronic Arts (NASDAQ: EA) fell more than 1 percent in extended trading. The video game giant was downgraded to a "hold" rating from a "buy" by Zacks Investment Research, weekherald.com reported on Thursday.

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