The S&P 500's return since Election Day has fallen to just around 0.5%. If that holds through Inauguration Day on Jan. 20, it will mark the worst performance for the broad index between an election and inauguration since Barack Obama came into the White House in 2009.

Trading in the U.S. bond market ended early, at 2 p.m. New York time, and U.S. stock markets were closed for the entire day to mark former President Jimmy Carter’s memorial. Whe

It’s off to the races for bond yields. That could easily mean more declines for the stock market. The 10-year Treasury yield has popped to almost 4.8%, up 1.2 percentage points from a major low point hit in September.