Twitter's Dick Costolo to step down as CEO
NEW YORK Twitter Inc (TWTR.N) CEO Dick Costolo is stepping down, under pressure from investors frustrated by the Internet company’s slow growth and seemingly constant shake-ups in its upper ranks. Costolo will be replaced by co-founder Jack Dorsey on an interim basis. The company’s shares rose 7.7 percent to $38.60 in after-market trading. “Unfortunately this news isn’t surprising,” said Nate Elliott of management consultant Forrester Research. “The […]