Key TakeawaysDave & Buster’s shares slumped more than 10% in premarket trading on Thursday after the restaurant and entertainment chain posted quarterly results that fell short of expectations. Dave & Buster's CEO Chris Morris noted in the company’s earnings statement that "complex" economic conditions continue to weigh on consumer demand.Monitor if buyers can defend a zone of support in Dave & Buster’s shares between $45 and $47 from prior price action over the past 15 months. Dave & Buster’s Entertainment ...