When stock markets get shaken, it can pay for investors to be patient

When stock markets are as manic as they've been recently, it’s natural to want to do something to protect your retirement savings. The U.S. stock market has a track record of recovering from every steep drop it's taken. Whether it's a global financial crisis, a trade war or a military war, the S&P 500 has so far always recouped its losses to push toward more records.