8 Biggest Mid-Day Losers For Friday

shares fell 34.84 percent to $0.456. Gevo priced 21.08 million shares at $0.45 per share.

shares dipped 19.08 percent to $2.12. GigPeak priced offering of 11.32 million shares of common stock at $2 per share.

shares dropped 12.89 percent to $29.25 as the company reported a wider-than-expected loss for its first quarter and lowered its annual outlook.

shares fell 8 percent to $19.08. Citigroup downgraded Dynegy from Buy to Neutral.

shares declined 6.05 percent to $26.24 after the company warned that second quarter same-store sales in its retail segment were declining by mid single-digit percentage points.

shares slipped 5.78 percent to $14.35 following registration for $200 million mixed securities shelf offering.

dropped 5.62 percent to $13.59 as the company posted downbeat earnings for its first quarter on Thursday.

shares declined 5.02 percent to $2.27. Champions Oncology priced its 2 million common stock offering at $2.25 per share.