The stock market keeps climbing walls investors barely seem to notice anymore. The S&P 500 just hit another all-time high, extending a rally that has added nearly 50% since the tariff-driven panic low in April 2025. President Donald Trump’s tax cuts, deregulation push, and pro-business policies embedded in the One Big Beautiful Bill Act have ... The S&P 500 Just Did Something It’s Only Done 3 Times Before. Why Trump’s AI Rally Is in Danger