Shares of Dave & Buster's Entertainment (PLAY 14.79%) jumped as much as 19.2% on Wednesday, despite a modest earnings report. The stock had cooled down to a 15.4% gain by 1 p.m. ET. Dave & Buster's Q1 by the numbersThe restaurant and video arcade chain saw first-quarter sales fall 3.5% year over year, stopping at $567.7 million. The average Wall Street analyst had expected$573.3 million. On the bottom line, adjusted earnings fell from $1.12 to$0.76 per diluted share. Here, the analyst consensus pointed to ...