 CHICAGO, May 5, 2021 PRNewswire -- Ryerson Holding Corporation NYSE: RYI, a leading value-added processor and distributor of industrial metals, today reported results for the first quarter ended March 31, 2021. Q1 2021 Highlights: Generated first quarter revenues of 1.15 billion, 13.6 higher than the year-ago period, driven by strong pricing and recovering metals demand. 