Investors are appraising Trump policies' likely impact on stocks on the last trading day before the inauguration.

What economist Ben Graham’s dictum can tell us about stock market behavior after the latest presidential election.

Federal debt BX:TMUBMUSD10Y held by the public as a share of the total economy will surpass the previous record of 106.1%, set in the waning days of World War II, by 2029, Trump's last year in office.