Shares of

Raindance Communications

( RNDC) took off in after-hours trading Monday after the maker of Web conferencing products said it agreed to be acquired by

West Corp.

(WSTC)

. West, a provider of outsourced communications products, will pay $2.70 a share in cash, for a total value of roughly $110 million. The deal is expected to close by the end of the second quarter. Raindance shares gained 59 cents, or 29%, to $2.62 in late trading.

Sohu

(SOHU) - Get Report

advanced after the Chinese Internet company beat analysts' fourth-quarter earnings estimates. The company posted a profit of $8.9 million, or 23 cents a share, up from $6.5 million, or 17 cents a share, a year earlier. Analysts polled by Thomson First Call were looking for earnings of 21 cents a share. Revenue rose to $30.5 million from $24.1 million, beating Wall Street's target of $29.2 million. Shares of Sohu gained $1.91, or 9.9%, to $21.21 after hours.

Shares of

j2 Global Communications

(JCOM) - Get Report

slipped after the communications services company missed Wall Street's fourth-quarter earnings and revenue expectations. The company posted earnings of $13.1 million, or 51 cents a share, compared with year-earlier earnings of $9.6 million, or 41 cents a share. Revenue increased 31% to $39.1 million. Analysts had forecast earnings of 52 cents a share and revenue of $40.2 million. For 2006, the company forecast earnings of $2.34 to $2.46 a share, with sales of $181 million to $191 million. Wall Street targets call for earnings of $2.41 a share and revenue of $188.5 million. Shares of j2 Global lost $2.08, or 4.7%, to $42 in after-hours trading.

Shares of

Activision

(ATVI) - Get Report

slipped after the video-game maker's lower-than-expected earnings offset strong sales. For the quarter ended Dec. 31, Activision earned $67.9 million, or 23 cents a share, down from $97.3 million, or 39 cents a share, a year earlier. Sales, though, jumped 20% to $816.2 million. Analysts were expecting earnings of 36 cents a share, with $707.1 million in sales. For the fourth quarter, the company now expects a loss of 7 cents to 9 cents a share on sales of $125 million to $135 million. Wall Street predicted earnings of 2 cents a share in the current period on sales of $198.3 million. Activision shares fell $1.04, or 7.2%, in late trading to $13.32.

Brooks Automation

(BRKS) - Get Report

posted a wider fiscal first-quarter loss on charges. The company, which supplies automation products to the semiconductor market, posted a loss of $11.3 million, or 17 cents a share, including a total of $12.6 million, or 19 cents a share, in charges and special items. This compares with a loss of $895,000, or 2 cents a share, a year ago. Revenue for the December quarter totaled $127.2 million, up from $117.2 million last year. The company's guidance had called for revenue of $120 million to $125 million.

The company projected second-quarter revenue of $152 million to $158 million. The company sees net income of break-even to 4 cents a share, including 12 cents a share in items. Analysts target earnings of 7 cents a share, before items, on revenue of $147 million. Shares of Brooks Automation advanced 11 cents to $17.10 in after-hours trading.