Benzinga’s Top Pre- Market Losers (JDSU, UNH, SEED, FSII, TRMS, RFMD)

JDS Uniphase Corporation (NASDAQ: JDSU) has decreased $0.03 or 0.36% to $8.35 in the pre-market session. JDSU made a new 52 week high yesterday at $8.75. So far in 2009, JDSU surged over 129%. In the previous trading session, JDSU closed at $8.38.

UnitedHealth Group Inc. (NYSE: UNH) has declined 0.99% to $31.08 after Standpoint Research downgrades UnitedHealth Group from Buy to Hold. Yesterday, UNH closed at $31.39. In the last six months, UNH gained over 25%.

Origin Agritech Ltd. (NASDAQ: SEED) has declined 1.81% to $9.79 in the pre-market session. The 52-week trading range for SEED is $1.70 - $14.57. So far in the current year, Origin Agritech gained over 385%. Yesterday, SEED closed at $9.97.

FSI International, Inc. (NASDAQ: FSII) has declined 1.67% to $2.95 in the pre-market session. FSI International made a new 52 week high at $3.14 in the previous trading session. So far in the current year, FSII surged over 967%. FSII closed at $3 yesterday.

Trimeris, Inc. (NASDAQ: TRMS) has plummeted 13.52% to $2.75 after Arigene Co., Ltd. announced the termination of the tender offer to purchase and return of validly tendered shares of common stock of Trimeris, Inc. So far this year, TRMS gained over 135%. The 52-week trading range for TRMS is $0.84 - $3.68.

RF Micro Devices, Inc. (NASDAQ: RFMD) has declined 0.20% to $4.87 in the pre-market session. The 52-week trading range for RFMD is $0.73 - $5.85. So far this year, RFMD is up over 525%. In the last trading session, RF Micro Devices closed at 44.88.