Check out which companies are making headlines after the bell Thursday:
Gap - Shares of the clothing retailer fell 3.9 percent in extended-hours trading after it reported same-store sales fell 7 percent in February.
H&R Block - The provider of tax-preparation services posted an adjusted third-quarter earnings per share loss of 77 cents on $200 million in revenue. Estimates called for EPS of negative 11 cents on $519 million in sales. Its shares fell 1.2 percent in after-hours trade.
Cooper Companies - The medical-device company reported first-quarter earnings per share of $1.47 on $405 million in revenue, compared to estimates of EPS of $1.46 on $400 million in sales. Its shares edged slightly lower in extended-hours trade.
Analogic - The technology company reported second-quarter adjusted earnings per share of $1.17 on $141.4 million in revenue. Estimates called for EPS of $1.20 on $152 million in sales. Its shares were off 0.1 percent in after-hours trade.
21Vianet Group - China's largest independent Web data-center operator reported fourth-quarter earnings per share loss of 1 cent on $90.2 million in revenue. Estimates called for EPS of 7 cents on $89 million in sales. Its shares fell 1.3 percent in after-hours trade.
Benefitfocus - The provider of cloud-based benefits software reported fourth-quarter earnings per share loss of 32 cents on $30.3 million in revenue. Estimates called for an EPS loss of 34 cents on $29 million in sales. Its shares dropped 6 percent in after-hours trade.
Finisar - The maker of optical components posted adjusted third-quarter earnings per share of 44 cents on $294 million in revenue. Estimates called for EPS of 44 cents on $299 million in sales. Its shares rose 0.4 percent in after-hours trade.
—By CNBC's Kate Gibson.
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