Given the timing, the decision by three former Deutsche Bank professionals to open a research, investment and brokerage house in Las Vegas was quite gutsy. It was 2009, and their speciality — the gaming industry — was reeling in the recession. But just as casinos are slowly but surely clawing their way out of rotten economic times, so, too, Union Gaming Group is along for the ride, having expanded by opening an office in Macau and planning another one in New York.