Benzinga's Top Upgrades (SNY, FSLR, VCLK, BLK)

Bank of America Merrill Lynch upgraded Sanofi-Aventis SA

from “neutral” to “buy.” SNY's shares closed at $40.05 yesterday. Sanofi-Aventis' trailing-twelve-month operating margin is 24.08%. Auriga upgraded First Solar Inc

from “hold” to “buy.” FSLR's shares closed at $134.66 yesterday. First Solar's PEG ratio is 0.67. Needham upgraded ValueClick Inc

from “hold” to “buy.” VCLK's shares closed at $16.47 yesterday. ValueClick's trailing-twelve-month operating margin is 21.48%. Analysts at Ticonderoga upgraded BlackRock Inc

from “neutral” to “buy.” BLK's shares closed at $194.07 yesterday. BlackRock's trailing-twelve-month revenue is $8.61 billion.