Check out which companies are making headlines after the bell Tuesday:
Apple - The U.S. International Trade Commission ruled that the tech giant violated a Samsung patent and issued a limited ban on Apple products. The panel issued a limited exclusion order and a cease-and-desist order for AT&T models of the iPhone 4, iPhone 3GS, iPad 3G and iPad 2 3G. Apple shares declined in extended-hours trading.
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Bob Evans - The food services and processing company posted earnings of 71 cents a share on sales of $354 million, exceeding Wall Street projections for 64 cents a share on revenue of $331 million. In addition, the company handed in full-year revenue guidance that topped expectations. Shares rose in extended-hours trading.
Mattress Firm - The mattress store chain posted earnings of 38 cents a share, excluding one-time items, on sales of $276 million, topping expectations for 36 cents a share on revenue of $274 million. In addition, the company handed in full-year earnings outlook that matched expectations and revenue guidance that beat forecasts. Shares rallied in extended-hours trading.
Honeywell - The conglomerate completed its acquisition of fix and portable gas and radiation detection systems manufacturer RAE Systems. Honeywell initially announced the acquisition in April. Shares were largely unchanged in extended-hours trading.
Ambarella - The video-processing chipmaker posted higher-than-expected quarterly results on higher demand from wearable sports camera makers such as GoPro. Shares surged in extended-hours trading.