UP AFTER EARNINGS: Amazon (AMZN), up 11%… Johnson Controls (JCI), up 2%… KKR (KKR), up 1%… U.S. Steel (X), up 1%… Western Digital (WDC), up 5%. ALSO HIGHER: Navistar (NAV), up 55% after Volkswagen (VWAGY) announced that its Traton unit offered to acquire all of the outstanding shares of common stock of the company not already owned by Volkswagen at a price of $35 per share in cash… IBM (IBM), up 4% after naming Arvind Krishna as CEO, succeeding Virginia Rometty. DOWN AFTER EARNINGS: Exxon Mobil (XOM), down 2%… Chevron (CVX), down 2%… Booz Allen (BAH), down 2%… Visa (V), down 3%… Electronic Arts (EA), down 1%… Beazer Homes (BZH), down 5%… Caterpillar (CAT), down 1%. ALSO LOWER: WWE (WWE), down 25% after announcing its co-presidents George Barrios and Michelle Wilson will depart the company. The company also lowered its FY19 adjusted EBITDA outlook.