After-hours buzz: Gap, Finisar, Diamond & more

Check out the companies making headlines after the bell Thursday:

Traders work on the floor of the New York Stock Exchange, March 5, 2015.
Brendan McDermid | Reuters
Traders work on the floor of the New York Stock Exchange, March 5, 2015.

Gap - Shares slid about 2 percent after the retailer posted a surprise drop in monthly sales. Comparable-store sales declined 4 percent in February, versus Consensus Metrix's forecasts for a 1.3 percent rise, with sales at its namesake locations taking the brunt of the hit.

Diamond Foods - The packaged-goods producer reported a 10-cent beat on second-quarter profit expectations of 25 cents a share, sending shares up about 1 percent in extended trading.

Finisar - The telecom firm handed in fiscal third-quarter earnings of 25 cents a share on $306 million in revenue, which was in line with Wall Street's projections, while fourth-quarter revenue guidance came out above estimates. The stock perked up 5 percent in after-hours trading.

Cooper Companies - The medical device firm posted fiscal first-quarter earnings of $1.75 a share, up 11 percent from a year ago, topping expectations of $1.54 a share. The stock rose about 2 percent in after-hours trading.

Fresh Market - The specialty retailer's shares rose more than 3 percent after it beat fourth-quarter earnings forecasts of 51 cents a share by 4 cents. Revenue trailed projections.The company also said it would close operations in California to "focus on higher growth opportunities."