Moller Financial Services boosted its stake in Invesco WilderHill Clean Energy ETF (NYSEARCA:PBW – Free Report) by 61.2% during the 4th quarter, Holdings Channel.com reports. The institutional investor owned 26,101 shares of the company’s stock after purchasing an additional 9,914 shares during the period. Moller Financial Services’ holdings in Invesco WilderHill Clean Energy ETF were […]