Morgan Stanley Sees Oil Prices Struggling To Break Above $50

Oil prices will struggle to rise above $50 a barrel because of the technological shift in U.S. shale that has unlocked more production in recent years, and because of the growing importance of environmental considerations in investing, Morgan Stanley says.   According to the investment bank's most recent market insight on crude oil, the market moved from a 'peak oil supply' narrative back in 2008 to concerns about peak demand in 2020.   "How we got here is a story of technology and environmental advocacy, and one that has material cross-asset…