Benzinga's Top Pre-Market NASDAQ Losers

SunPower Corporation SPWRB shares dipped 16.38% to $17.20 in the pre-market session. SunPower completed a 6-megawatt solar photovoltaic power system at the US Air Force Academy (USAFA) in Colorado Springs. SunPower Corporation SPWRA shares fell 15.82% to $17.40 in the pre-market session. Analysts at Kaufman Bros, Goldman Sachs and CLSA downgraded SunPower. BreitBurn Energy Partners LP BBEP dropped 5.83% to $19.40 in the pre-market session. Quicksilver Resources Inc KWK reported a registered underwritten public offering of 7,000,000 units of BBEP. Sina Corporation SINA moved down 0.87% to $90.81 in the pre-market session. SINA's PEG ratio is 5.14. Read more from Benzinga's Markets.