Benzinga's Top 7 Pre-Market Gainers (TRMA, FSYS, THOR, IMGN, ONNN, HURN, MGM)

Trico Marine Services Inc (NASDAQ: TRMA) shares have risen by 12.72% from their closing price of $6.21 on November 4, 2009. TRMA had reported a sequential rise in Q3 profits.

Fuel Systems Solutions Inc (NASDAQ: FSYS) shares have appreciated by 11.69% from their closing price of $33.80 on November 4, 2009. FSYS

Thoratec Corporation (NASDAQ: THOR) shares have risen by 10.41% from their closing price of $26.99 on November 4, 2009.

ImmunoGen Inc (NASDAQ: IMGN) shares have appreciated by 9.23% from their closing price of $6.72 on November 4, 2009.

ON Semiconductor Corporation (NASDAQ: ONNN) has gained 7.61% from their closing price of $6.83 on November 4, 2009. ONNN had posted higher-than-expected Q3 results.

Huron Consulting Group Inc (NASDAQ: HURN) has gained by 6.97% since the closing price of $23.37 on November 4, 2009. HURN had posted losses for Q3 primarily on losses.

MGM Mirage Inc (NYSE: MGM) has risen by 5.69% since the closing price of $9.85 on November 4, 2009. MGM posted losses for Q3.