Get a jump start on the US trading day with Matt Miller, Katie Greifeld and Sonali Basak on "Bloomberg Open Interest." There's a sinking feeling in the markets as the world waits for Trump's tariffs to be unleashed Wednesday. This as the S&P 500 is on track for its worst quarterly performance since 2022. Strategists don't see things improving much this year. Goldman cuts its S&P target again while RBC warns of a bear market below 5,500. Tesla boss Elon Musk says his role with DOGE is costing