Alstom shares drop about 28% after cutting outlook due to Coradia Max execution problemsCorroborated by 2 sources from 2 publishersglobaltech2h agoTL;DRSources1Investing.com Newshttps://www.investing.com/news/earnings/alstom-shares-tumble-18-after-another-outlook-cut-49900453h ago2Dow Jones U.S. Businesshttps://www.wsj.com/business/earnings/alstom-shares-plunge-after-technical-issues-prompt-guidance-cut-5a070227?mod=pls_whats_news_us_business_f2h ago