Some things can't be summed up in 140 characters. Twitter Inc's announcement that Dick Costolo would exit as CEO on July 1 was long on plaudits but offered few clues on how the company will tackle its biggest problem: user growth.
West Texas Intermediate crude fell below $80 a barrel for the first time since June 2012 amid speculation rising U.S. supplies are exacerbating a global glut. Brent fell to the lowest level in almost four years.
The euro fell toward a one-week low versus the dollar as European Central Bank policy makers prepared to meet tomorrow amid political and banking turmoil that threatens to renew the region’s sovereign-debt crisis.