Zurcher Kantonalbank Zurich Cantonalbank increased its position in shares of SunPower Co. (NASDAQ:SPWR – Free Report) by 75.7% in the 4th quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission. The institutional investor owned 279,738 shares of the semiconductor company’s stock after acquiring an additional 120,489 […]