President Donald Trump’s first 100 days in office are the worst for the stock market for the start of a president’s four-year term since the 1970s.

Donald Trump promised Americans a “boom like no other” if they elected him president. But based on the stock market’s performance during his first 100 days in office, it depends on what you mean by “boom.

History indicates that investors should expect an overall gain in stocks for the rest of Trump’s term. But market returns have been lower when stocks were down in a president’