SunPower stumbles after fourth quarter earnings but promises 2013 efficiencies
Mixed first quarter guidance and flat revenue projections for 2013 sent shares of SunPower Corp. tumbling in trading Friday.
fourth quarter
Dolby reports strong earnings but decreases predictions for 2011 profits
San Francisco’s Dolby Laboratories, maker of surround sound products, announced robust earnings in the first quarter, but shares fell because the company reduced earnings predictions for the coming year.