Pre-Market Winners

Zipcar (NASDAQ: ZIP) is trading up over 11.50% after Q2 earnings.
Delek US Holdings (NYSE: DK) is trading up over 8.18% after reporting Q2 earnings.
Sourcefire (NASDAQ: FIRE) is trading up over 9.35% after reporting Q2 earnings.
Andersons (NASDAQ: ANDE) is trading up over 7.10% after reporting Q2 earnings.
SolarWinds (NYSE: SWI) is trading up over 8.0% after reporting Q2 earnings.
Kraft Foods (NYSE: KFT) is trading up over 5.2% after announcing its intentions to spin off its North American grocery business.
CIGNA (NYSE: CI) is trading up over 5.1% after reporting Q2 earnings.