SunPower (NASDAQ:SPWR) stock is falling hard on Tuesday after the solar power and technology company filed for Chapter 11 bankruptcy late yesterday.That bankruptcy filing isn’t an attempt for the company to restructure its business and come out leaner. Instead, SunPower is planning to wind down its operations during the bankruptcy process.SunPower also already has plans lined up to sell its Blue Raven Solar installation and new homes businesses in a stalking horse bid. This has Complete Solaria (NASDAQ:CSLR ...