Shares of Barnes & Noble ( BKS) were among the NYSE's winners Thursday, jumping 10% after the bookseller posted fourth-quarter results that surpassed expectations.

The company earned $123 million, or $1.76 a share, on sales of $1.75 billion. Excluding items, the company earned $130.5 million, or $1.87 a share. Analysts polled by Thomson First Call expected earnings of $1.75 a share, before items, with sales of $1.74 billion. During the year-earlier quarter, the company earned $115.6 million, or $1.56 a share, on sales of $1.67 billion.

Looking ahead, Barnes & Noble sees first-quarter earnings of 10 cents to 14 cents a share, including 4 cents a share in stock-based compensation costs. For the full year, the company sees earnings of $2.20 to $2.30 a share. The guidance for the full year includes 9 cents a share in costs related to the company's new distribution center and 15 cents a share in stock-based compensation expenses. Analysts project first-quarter earnings of 11 cents a share and full-year earnings of $2.02 a share. Shares were trading up $4.23 to $47.45.

Shares of Winnebago Industries ( WGO) fell 7% after the motor-homes maker posted second-quarter results that fell below Wall Street forecasts. The company earned $7.7 million, or 23 cents a share, on sales of $206.4 million. The results included 2 cents a share in stock-based compensation costs. Analysts polled by Thomson First Call expected earnings of 38 cents a share and sales of $226.2 million. During the year-earlier quarter, Winnebago earned $12.6 million, or 37 cents a share, on sales of $239.4 million. The company said its most recent results were hurt by lower motor-home deliveries, which was caused by decreased retail demand. Shares were trading down $2.22 to $29.79.

American Italian Pasta ( PLB) shares soared 68% after the pasta producer signed a new credit facility, pulling it out of default of its previous credit line. The company's new five-year, $295 million facility replaces an earlier $290 million facility. The company said it is now in compliance with all of its covenant requirements. "The completion of our refinancing represents a significant milestone for the company," American Italian Pasta said. "The new long-term financing strengthens our capital structure and provides us a stable platform from which to execute our strategies and business initiatives." The new credit agreement consists of a $265 million term loan and a $30 million revolver. Shares, which have fallen nearly 75% over the past year, were recently up $2.83 to $7.

W&T Offshore ( WTI) rose 3% after the oil and natural gas company posted better-than-expected fourth-quarter results. The company earned $50.9 million, or 77 cents a share, on revenue of $152.9 million. Analysts expected earnings of 64 cents a share and revenue of $128.4 million. A year earlier, the company earned $38.4 million, or 59 cents a share, on revenue of $138.9 million. "Boosted by favorable commodity prices, our fourth-quarter financial results were particularly solid, even with the significant production deferral following the hurricanes," the company said. Shares recently traded at $37.79, up $1.09.

Shares of Cost Plus ( CPWM) fell 4% after the retailer posted fourth-quarter earnings that were short of expectations and warned that it expects to record a loss during the first quarter. The company reported a fourth-quarter profit of $21.5 million, or 97 cents a share, down from $23.5 million, or $1.06 a share, a year earlier. Sales rose to $367 million from $342.9 million. The earnings per share were a penny short of analysts' estimate, though the company's top line beat Wall Street's forecast of $366.4 million.

Looking ahead, Cost Plus sees a first-quarter loss of $1.7 million to $3.4 million, or 8 cents to 16 cents a share. The estimate includes a charge of $1.1 million, or 3 cents a share. Analysts, on average, had forecast a profit of 3 cents a share. The company predicts sales of $215 million to $222 million, bracketing analysts' mean estimate of $218.9 million. Shares were trading down 69 cents to $18.51.

NYSE volume leaders included Lucent Technologies ( LU), down 3 cents to $2.93; ConAgra ( CAG), down $1.43 to $18.98; Qwest ( Q), up 32 cents to $7.19; Ford ( F), down 3 cents to $7.82; General Electric ( GE), up 20 cents to $34.62; Motorola ( MOT), up 41 cents to $22.35; and Time Warner ( TWX), unchanged at $17.19.

Nasdaq volume leaders included Avanex ( AVNX), up 15 cents to $3.38; JDSU ( JDSU), down 2 cents to $4.01; Oracle ( ORCL), up 13 cents to $13.37; Cisco Systems ( CSCO), up 10 cents to $21.54; Microsoft ( MSFT), up 3 cents to $27.39; Intel ( INTC), up 6 cents to $19.98; Sun Microsystems ( SUNW), up 2 cents to $4.88; and Ciena ( CIEN), down 11 cents to $5.24.