Morning Market Losers

ViroPharma Inc (NASDAQ: VPHM) shares dipped 18.25% to $23.39 at 9:55 am. The U.S. Food and Drug Administration approved copycat version of VPHM's antibiotic Vancocin. Data I/O Corp (NASDAQ: DAIO) shares lost 18.65% to $3.01. DAIO projects to report Q1 net loss in the range of $1.7 to $2.0 million. Kips Bay Medical Inc (NASDAQ: KIPS) fell 11.87% to $1.41. KIPS' trailing-twelve-month operating margin is -1,694.05%. Versant Corp (NASDAQ: VSNT) dropped 11.32% to $9.60. VSNT shares have dropped 17.45% over the past 52 weeks, while the S&P 500 index has gained 4.36% in the same period.