The top pre-market NASDAQ stock market gainers are: JDS Uniphase, Silicon Image, Orexigen Therapeutics, China MediaExpress Holdings and Entropic Communications. The top pre-market NASDAQ stock market losers are: Power-One, Coinstar, Toreador Resources, YRC Worldwide and GT Solar International.

Gainers

JDS Uniphase Corp. (NASDAQ:JDSU) shares surged 21.58 percent to $21.80 in pre-market trading session on Friday as the company swung to second-quarter net income of $23.6 million or $0.10 per share, compared with a loss of $19.5 million or $0.09 per share in the same quarter a year-ago. Revenue rose to $473.5 million from $342.9 million last year.

Silicon Image, Inc. (NASDAQ:SIMG) shares surged 10.10 percent to $8.50 in pre-market trading session as the company reported better-than-expected fourth quarter earnings late Thursday.
Orexigen Therapeutics, Inc. (NASDAQ:OREX) shares gained 7.82 percent to $3.18 in pre-market trading session. The stock has a 52 week low of $2.47 and 52 week high of $11.15 and has $139.89 million market capitalization.

China MediaExpress Holdings, Inc. (NASDAQ:CCME) shares advanced 4.69 percent to $11.61 in pre-market trading session. Its shares plunged 33 percent in regular trading session on Thursday after Hong Kong-based Muddy Waters Research alleged that the advertising firm's actual revenue fell far short of what it had reported in 2009.

Entropic Communications, Inc. (NASDAQ:ENTR) shares gained 2.23 percent to $10.99 in pre-market trading session. Stifel Nicolaus analysts raised their price target on shares of ENTR from $16.00 to $17.00.

Losers

Power-One, Inc. (NASDAQ:PWER) shares plunged 22.81 percent to $9.07 in pre-market trading session as its first quarter and full year revenue forecast for fiscal 2011 fell short of analysts’ estimation. The company expects first quarter revenue in the range of $260-$290 million and full year revenue in the range of $1.1-$1.3 billion, while analysts’ expects first quarter revenue of $313 million and full year revenue of $1.31 billion.

Coinstar, Inc. (NASDAQ:CSTR) shares declined 11.28 percent to $39.25 in pre-market trading session as the company forecasts first-quarter earnings from continuing operations of no more than $0.25 per share against analysts’ estimation of $0.57 per share.

Toreador Resources Corp. (NASDAQ:TRGL) shares declined 9.58 percent to$15.00 in pre-market trading session. The stock has a 52 week low of $5.31 and 52 week high of $18.97 and has $428.50 million market capitalization.

YRC Worldwide, Inc. (NASDAQ:YRCWD) shares declined 1.52 percent to$4.55 in pre-market trading session.

GT Solar International, Inc. (NASDAQ:SOLR) shares declined 2.43 percent to $11.22 in pre-market trading session. The stock has a 52 week low of $4.90 and 52 week high of $11.95 and has $1.74 billion market capitalization.

China Advertising NASDAQ Stock Market Investment