Shares of multiple steelmakers fell substantially on March 22. Commercial Metals Company (NYSE: CMC) had the worst day, with shares down more than 12.2% following the release of the company's second-quarter 2018 earnings results before market open. But it wasn't the only steelmaker to have a bad market day. Shares of United States Steel Corporation (NYSE: X) fell 10.7%, AK Steel Holding Corporation (NYSE: AKS) fell 8.3%, Steel Dynamics, Inc. (NASDAQ: STLD) fell 7.5%, and Nucor Corporation (NYSE: NUE) shares fell 5.9%. While Commercial Metals reported quarterly results that were a little disappointing with both revenue and earnings a little below analyst estimates, today's big drop for the company and its peers was more influenced by two bigger pieces of news that affect the entire industry. Image source: Getty Images.Continue reading