After Killing Twitter Stock Gain, Dorsey Wins Praise

In his first earnings call with investors as head of a public company, Jack Dorsey decided to go for candid.

With the stock up on Twitter Inc.’s second-quarter revenue exceeding expectations, the interim chief executive officer didn’t self-congratulate or dwell on past successes but talked bluntly about Twitter’s shortcomings. That killed the stock gain -- but may have helped build much-needed trust with investors.