SunPower’s stock tumbles to a more than 3-year low after a wider-than-expected loss and lowered outlook

Shares of SunPower Corp. SPWR tumbled 12.9% toward a 3 1/2-year low in premarket trading Wednesday after the solar energy provider reported downbeat third-quarter results and cut its full-year outlook, citing lower-than-expected consumer demand and delayed revenue recognition from longer cycle times. The company swung to a net loss of $31.95 million, or 18 cents a share, from net income of $135.19 million, or 72 cents a share, in the year-ago period. Excluding nonrecurring items, the adjusted per-share loss of 12 cents missed the FactSet loss consensus of 1 cent. Revenue fell 9.3% to $432.0 million, below the FactSet…