** Shares of renewable energy firm Complete Solaria SPWR.O down 5.1% to $1.85 in extended trading
** Company raises substantial doubts on its ability to continue as a going concern, according to a filing with the Securities and Exchange Commission
** History of losses may continue in the future and the company may not achieve profitability or generate positive cash flow - SPWR
** Up till last close, stock up 3.2% YTD
(Reporting by Pooja Menon in Bengaluru)
((Pooja.Menon@thomsonreuters.com;))