Investor-Edge has initiated coverage on the following equities: AK Steel Holding Corporation , United States Steel Corporation , Gerdau S.A. , Steel Dynamics Inc. , and Reliance Steel and Aluminum Company . Free research on these five companies can be accessed at: http://investor-edge.com/register , ended on a mixed note as the Dow Jones Industrial Average finished at 17,634.74, down 0.10% and the NASDAQ Composite closed at 4,688.54, up 0.18%.