Plug Power's stock dips after SIG Susquehanna downgrades stock to neutral vs. positive

Plug Power Inc.’s stock PLUG, -3.81% fell 1.2% in early trade Thursday, after SIG Susquehanna downgraded the stock to neutral from positive and said it expects the residential alternative energy segment’s recent headwinds to continue into the first half of the year before a demand pickup. Analysts led by Biju Perincheril also downgraded SunPower Corp. SPWR, -0.51% to neutral from positive. “Recent discussions with companies indicate the U.S. residential solar market demand remains weak, led by a slower tha ...