Business Market Ups and Downs: American Airlines Group Inc. (NASDAQ:AAL), Luna Innovations Incorporated (NASDAQ:LUNA), Cellectar Biosciences, Inc. (NASDAQ:CLRB), LHC Group, Inc. (NASDAQ:LHCG) Posted onJune 25, 2019June 25, 2019 American Airlines Group Inc. (NASDAQ:AAL) is prepared to further delay returning the Boeing 737 Max to its schedule as regulators review the manufacturer’s safety updates …