Stocks making the biggest moves after hours: FedEx, Sarepta Therapeutics and more

Engineers move a 350-volt battery pack to be installed in a Fedex Corp. Express General Motors Co. (GM) van at the VIA Motors Inc. facility in Orem, Utah, U.S. on Monday, Feb. 17, 2014.

The stocks make news after the bell.

FedEx issued upbeat guidance for its full fiscal year and its shares rose more than 3%. FedEx reported mixed results for its fiscal fourth quarter, with adjusted earnings per share of $6.87 and revenue of $24.39 billion. Earnings per share were expected to be $6.86 by analysts.

After the FDA placed a clinical hold on Sarepta's treatment, the biopharma stock dropped more than 5%. There was an adverse event in one of the studies.

Smith & Wesson's fiscal fourth quarter report showed a year over year decline in revenue and gross margin. The company increased its quarterly divided to 10 cents per share from 8 cents.