Troubled solar power company SunPower (NASDAQ:SPWR) is the latest name to join the meme rally. SPWR stock is soaring 130% in early trading as retail investors focus on the fact that 94% of its shares are being sold short, according to Fintel. SunPower Is Undergoing a Short Squeeze SunPower, which is one of the most shorted stocks in the market, appears to be in the early stages of a short squeeze. Such a phenomenon occurs when stocks rapidly climb, forcing many short sellers to buy back at high prices the s ...