Check out the companies making headlines after the bell Thursday:
Shares of Ross Stores got a boost after the company reported quarterly results that beat on both the top and bottom lines. The retailer said it expects a highly promotional holiday season in the weeks ahead.
Shares of Nike popped after the company announced a $12 billion buyback program. The sportswear retailer raised its quarterly cash dividend by 14 percent, on a pre-split basis. Nike also approved a two-for-one split of both Class A and Class B common shares.
Nimble Storage fell more than 30 percent after reporting earnings and revenue that missed analysts' forecasts. The flash-storage solutions company also expects weak earnings guidance in the fourth quarter.