WJ Communications ( WJCI) saw its shares jump 21% a day after the company said fourth-quarter revenue exceeded its own estimates. The maker of radio-frequency semiconductor products said revenue of $11.7 million rose 48% from the year-ago fourth quarter and topped its guidance range of $10 million to $10.5 million.

WJ lost $2.1 million, or 3 cents a share, for the fourth quarter, compared with a loss of $4 million and 7 cents a share in the same quarter last year. Shares of WJ were higher by 45 cents at $2.62.

Intersections ( INTX), a provider of credit management and identity-theft detection services, surged 12% a day after Jim Cramer mentioned the stock positively on his "Mad Money" TV show. Intersections was gaining $1.11 to $10.21.

eDiets.com ( DIET) said revenue for the fourth quarter totaled $12.1 million, an 8.5% increase from the same period last year. The company swung to a profit, posting net income of $1.5 million, or 7 cents a share, compared with a loss of $100,000, or less than a penny a share, last year.

For 2006, eDiets.com is projecting an 8% to 10% revenue increase and decreased ad spending relative to last year. After noncash stock-based compensation expenses, eDiets.com expects to at least double its earnings per share this year vs. 2005. First-quarter revenue should grow 4% to 6%, while eDiets is forecasting a reduced operating loss. Even with the improvements, shares of eDiets sank $2.17, or 27.3%, to $5.79.

Sirenza Microdevices ( SMDI), a supplier of radio-frequency components, was gaining nearly 14% following news the company had lifted its guidance for the first quarter.

Sirenza expects revenue of $20 million to $21 million and earnings, before items, of 7 cents to 9 cents a share. The company previously forecast revenue of $17.5 million to $19 million and earnings of 5 cents to 7 cents a share before items. Sirenza's shares were up $1.02 to $8.46.

Movie Gallery's ( MOVI) stock was plunging 27% to a 52-week low as concerns built about the company's cash position. The owner of movie-rental stores might have negative cash flow this year, Bear Stearns says in a research report.

The company met with creditors earlier this week to talk about changing the terms of its credit agreement, according to a Reuters report. The shares were down 67 cents to $1.80. The lowest close in the last year is $2.45.

Fleetwood Enterprises ( FLE), the maker of RVs, posted third-quarter revenue of $583.9 million, up 15% from $509.2 million last year. The company had a profit from continuing operations of $4.7 million and 8 cents a share, compared with a loss from continuing operations of $44.5 million and 80 cents a share in the prior year.

Net income, which included discontinued operations, was $1.4 million, or 2 cents a share, vs. a loss of $54.7 million and 99 cents a share in last year's third quarter. Fleetwood's forecast disappointed investors. "Because of the soft markets for both motor homes and manufactured housing, we do not believe that results for the fourth quarter will change significantly from those of the third quarter," the company said. Shares of Fleetwood slumped 79 cents, or 6.7%, to $11.08.

Global Power Equipment Group ( GEG) fell 14% a day after the company said it plans to restate its financial results for fiscal 2004, the second, third and fourth quarters of fiscal 2004 and its quarterly results for 2005. The maker of equipment for the energy industry said its gross profit was inadvertently overstated for two projects in China. Global said the restatement could cumulatively decrease its previously reported operating income by about $7 million.

The company also forecast a loss of 23 cents to 28 cents a share on revenue of roughly $116 million for the fourth quarter. For 2006, Global expects earnings of 10 cents to 16 cents a share and revenue of $475 million to $500 million. Global's shares dropped 68 cents to $4.17.