The top pre-market NASDAQ stock market losers are: Dynavox, L & L Energy, China MediaExpress Holdings, Fuqi International, Green Mountain Coffee Roasters, Mentor Graphics, American Capital Agency, Ascent Solar Technologies, Solarfun Power Holdings, and Power-One.

Dynavox Inc. (DVOX) lost 17.53 percent to $4.80 in the pre-market session. The company's first quater adjusted loss was $1.14 million or 4 cents a share. Sales fell 11 percent to $21.6 million. Analysts had expected profit of 5 cents a share on revenue of $24 million.

Dynavox expects fiscal 2011 adjusted earnings of 21 cents to 27 cents a share and sales to decline 10 percent to 15 percent from last year. Analysts expect profit of 47 cents a share on revenue of $121.16 million.

In early October, DynaVox had withdrawn its earnings guidance for fiscal year 2011, citing more-than-expected weakness in the first quarter. During fourth quarter results, the company had projected adjusted profit of 56 cents to 62 cents a share and sales growth of 14 percent to 17 percent for the full-year 2011.

L & L Energy, Inc. (LLEN) plummeted 5.35 percent to $10.44 in the pre-market trading.

China MediaExpress Holdings, Inc. (CCME) fell 4.85 percent to $18.55 in the pre-market trading.

Fuqi International, Inc. (FUQI) dropped 4.13 percent to $6.96 in the pre-market trading.

Green Mountain Coffee Roasters Inc. (GMCR) plunged 3.43 percent to $31.53 in the pre-market session.

Mentor Graphics Corp. (MENT) tumbled 3.08 percent to $11.03 in the pre-market trading.

American Capital Agency Corp. (AGNC) decreased 2.79 percent to $28.54 in the pre-market session.

Ascent Solar Technologies, Inc. (ASTI) moved down 2.76 percent to $3.87 in the pre-market trading.

Solarfun Power Holdings Co. Ltd. (SOLF) declined 2.58 percent to $9.05 in the pre-market session.

Power-One Inc. (PWER) fell 2.46 percent to $8.72 in the pre-market session.

NASDAQ Stock Market China Energy China