Enterprising Investor Thursday, 11/01/18 06:53:56 PM Re: None Post # of 213 Arcosa Inc. (NYSE: ACA) will replace KapStone Paper and Packaging Corp. (NYSE: KS) in the S&P SmallCap 600 effective prior to the open of trading on 11/05/18. Trinity Industries will remain in the S&P MidCap 400. "Someone said it takes 30 years to be an instant success" - Gabriel Barbier-Mueller, CEO of Harwood International