Bank investors could be forgiven for mistaking executives on recent earnings calls for sports commentators. Their new favorite way to describe trading clients: “on the sidelines.” Goldman Sachs Group Inc. CEO David Solomon led his analysis for the past two quarters with that phrase, which has caught on with top executives at JPMorgan Chase & Co., Citigroup Inc. and Morgan Stanley as well. Benchwarming by hedge funds and other investors is taking the blame for global banks’ worst first-half trading revenue in more than a decade. Uncertainty about trade-war politics and Federal Reserve rate moves is making clients ... (full story)