Cowen downgrades Twitter to underperform after revenue miss, advises clients to stay away

Cowen on Thursday downgraded Twitter to the equivalent of a sell rating, advising clients to avoid the stock after the social media platform reported weak revenue and lowered its guidance. “We are moving to an underperform rating (from market perform) and a $12...

Frantic efforts to assess damage at major California dam as new storm system arrives

Damage to California’s Oroville Dam concrete spillway this week has forced state engineers to consider alternatives to release water as new storms come into the Northern California region. The damage also raises questions about the state’s aging...