ASIX - After Hours Gainers / Losers (2/23/2018) February, 23 2018 05:37 PM AdvanSix Inc. Top gainers: AKS +5.3%. X +4.0%. PXLW +2.6%. SFS +2.0%. TAHO +2.0%. More news on: AK Steel Holding Corp, United States Steel Corporation, Pixelworks, Inc., Stocks on the move, , Read more ...