Traders work on the floor of the S&P 500 pit at the Chicago Mercantile Exchange in Chicago, Illinois, U.S. (Photographer: Tim Boyle/Bloomberg News)

Upside of December Meltdown Is Best Earnings Rally Since 2015

(Bloomberg) -- If investors are learning anything from earnings season, it’s that last year’s stock sell-off did a lot more to prepare them for it than Wall Street analysts ever could have.