AeroVironment to replace ChampionX in the S&P 400 at open on 7/18
AeroVironment (AVAV) will replace ChampionX Corp. (CHX) in the S&P MidCap 400, effective prior to the opening of trading on Friday, July 18. S&P 500 constituent Schlumberger (SLB) is acquiring ChampionX in a deal expected to be completed July 16, pending final closing conditions.