Election Day could mean big things for your 401(k). Here’s what history tells us

Whether or not Tuesday’s midterm elections deliver a so-called blue wave, one thing is for certain: More volatility will likely ripple through financial markets. Midterm years have been historically weak for the U.S. stock market, delivering annual gains of just 7.5% versus an average return of 12.4% during non-midterm years, according to figures compiled by BlackRock. And even though more money has been pumped into this year’s midterm campaign than any other in history—to the tune of nearly...