As more people ask chatbots for financial advice, creating the right prompts is the key to getting useful answers.

Both the S&P 500 and Nasdaq have been pushed to repeated record highs in recent weeks, as investors showed increased ambivalence to Trump's tariff threats, and confidence these policies may not damage the U.S. economy as severely as once feared.

This metric has a 100% success rate of forecasting future stock market returns when back-tested over more than 150 years.