SLX - Activist chatter sends U.S. Steel popping April, 17 2019 10:49 AM VanEck Vectors Steel U.S. Steel (X +2.3%) is rising on heavy volume, sparked by rumors of potential activist movement or a trade deal.More news on: United States Steel Corporation, AK Steel Holding Corporation, ArcelorMittal, Commodities news, Stocks on the move, News on ETFs, Read more ...