On CNBC's Halftime Report Final Trades, Vistra Corp. (NYSE: VST) was named as the final trade by Rob Sechan, while CRH plc (NYSE: CRH) announced a big acquisition. Rockwell Automation, Inc. (NYSE: ROK) and Generac Holdings Inc (NYSE: GNRC) were also recommended by experts. Vistra and Generac saw gains in their share prices.