Volume Spike Investor

SunPower Corp. (NASDAQ: SPWRA) managed and upside surprise for the quarter and guided higher for the year. SPWRA has traded 833,000 shares after the close and is up almost 18% at $29.25 as of 5:26 PM EST.  The SPWRB shares are up almost 19% at $25.60, but on volume of 122,000 since the close.  SPWRA has an average of 4.6 million shares on most days and SPWRB trades only about 700,000 shares on average during normal days.

This was also strong enough to run other large solar stocks… First Solar (FSLR) closed up 4% at $157.78, and those shares are up 3.6% at $163.50.  Suntech Power Holdings Co. Ltd. (STP) closed up almost 6% at $18.93 and its after-hours trading is up 6% at $20.07.  Energy Conversion Devices, Inc. (ENER) closed up almost 4% at $13.48 and its after-hours trading is up 7% at $14.50.