Cruise is in danger of becoming GM's latest trendy venture that doesn't pay off

In this article GM Follow your favorite stocks CREATE FREE ACCOUNT Sydney Boyo DETROIT — General Motors ' plans to diversify its business through trendy industries such as ridesharing and other "mobility" ventures or startups have largely fallen flat since the automaker started investing in such growth areas in 2016. Cruise, its majority-owned autonomous vehicle subsidiary, is increasingly looking like it might be next. The unit has quickly gone from one of GM's greatest business opportunities to a growing liability. Cruise, of which GM owns more than 80%, has confronted a wave of problems and investigations sparked by an Oct. 2…