Gap Inc. (GPS: chart), the U.S. largest apparel maker based in San Francisco, posted second-quarter earnings of 22 cents a share, up from six cents a year earlier, due to strong sales at full price. Revenue rose 13 percent to $3.7 billion. Same-store sales were up 10 percent.

Barnes & Noble Inc. (BKS: chart), a books retailer based in New York, beat analyst expectations in the second quarter due to strong sales of the latest Harry Potter book. Earnings surged to 20 cents a share from two cents in the year-ago quarter. Analysts at First Call had expected earnings of 16 cents. Revenue climbed 10 percent to $1.28 billion.

Krispy Kreme Doughnuts Inc. (KKD: chart), a doughnut retailer based in Winston-Salem, North Carolina, reported second-quarter net income of 21 cents a share, up from 15 cents a year ago, due to new store openings in Sydney, Australia and in Montreal. Revenue rose 41 percent to $161.8 million.

Goody's Family Clothing Inc. (GDYS: chart), a family apparel retailer based in Knoxville, Tennessee, said second-quarter earnings surged fivefold to 21 cents a share, from four cents in the year-ago period, due to a settlement with clothing company Tommy Hilfiger Corp. Revenue climbed 3.5 percent to $294 million.

Limited Brands Inc. (LTD: chart), an apparel and personal care product retailer that operates Victoria's Secret and Bath & Body Works, posted earnings of 19 cents a share in the second quarter, up from 16 cents in the year-ago period. The Columbus, Ohio-based company said revenue climbed five percent to $2.01 billion. Same-store sales were up three percent.

Dick's Sporting Goods Inc. (DKS: chart), a sporting goods retailer based in Pittsburgh, Pennsylvania, reported second-quarter net income of 62 cents a share, up from 61 cents in the year-ago quarter. Analysts at First Call had expected a profit of 60 cents. Revenue increased 14 percent to $353.5 million. The company expects third-quarter earnings of 15 to 17 cents a share, compared with analyst forecasts of 16 cents.

Longs Drug Stores Corp. (LDG: chart), a drugstore chain operator based in Walnut Creek, California, posted second-quarter earnings of 14 cents a share, down from 29 cents a year earlier. Revenue rose 0.9 percent to $1.11 billion. Brokers at SunTrust Robinson Humphrey upgraded the stock to 'equal weight' from 'underweight.' The stock surged 15 percent to $20.81 on Thursday; it was the biggest percentage gainer on the NYSE.

Technology

Ciena Corp. (CIEN: chart), a fiber optic network equipment maker based in Linthicum, Maryland, narrowed its fiscal fourth-quarter loss to 20 cents a share from 42 cents a year earlier. Excluding items, the company lost nine cents a share, beating analyst forecasts by a penny. Revenue jumped 37 percent to $68.5 million.

C-Core.net Corp. (CCBL: chart), a provider of fiber optic equipment based in State College, Pennsylvania, narrowed its fourth-quarter net loss to 37 cents a share from $1.02 a share in the same period last year. The latest results included a goodwill impairment charge recorded in the previous quarter and a tax expense for purchase accounting adjustments. Revenue dropped 33 percent to $52 million.

Opsware Inc. (OPSW: chart), an Internet start-up co-founded by Marc Andreessen and based in Sunnyvale, California, said it lost four cents a share in the fiscal second quarter, compared with a loss of 24 cents a share in the same quarter last year. The software company posted its first positive cash flow since going public two years ago. Revenue grew to $4.3 million from $2.5 million in the prior quarter. Revenue from the year-earlier quarter was $17.5 million.

Food Processing

Smithfield Foods Inc. (SFD: chart), a food processing company based in Smithfield, Virginia, reported first-quarter earnings of 20 cents a share, up from 11 cents a share in the year-ago period, due to an increase in domestic live hog prices. Revenue climbed 10 percent to $2.21 billion.