Trump’s tariff push has spooked investors. Here’s what it would take for him to step in to stop the selling. - MarketWatch

1. S&P 500 is 3% below record highs amid market selloff discussions. 2. Wall Street anticipates potential intervention from the Trump administration. 3. Historically, Trump used stock market performance as a policy gauge. 4. A significant drop in S&P 500 could trigger administration action. 5. Investor sentiment is cautious over potential economic trade-offs.