Benzinga's Top Pre-Market Losers

Lannett Company (NYSE: LCI) dipped 12.14% to $18.39 in the pre-market session after the company priced an underwritten public offering of 5,869,566 shares of common stock at a price of $18.00 per share.

NeoStem (NYSE: NBS) dipped 10.71% to $7.00 after the company priced an underwritten public offering of 5,000,000 shares of common stock at an offering price of $7.00 per share.

Ryanair Holdings plc (NASDAQ: RYAAY) shares dropped 1.29% to $49.72 in pre-market trading. Ryanair's PEG ratio is 3.89.

Union Pacific (NYSE: UNP) shares fell 1.08% to $153.70 in the pre-market trading. Union Pacific expected Q3 earnings in the range of $2.45 to $2.48 per share.