NEW YORK (AP) — When stock markets are as manic as they’ve been recently, it’s natural to want to do something to protect your retirement savings. Historically, though, staying calm has usually been best. 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. Of course, that can take years, but anyone who moved