Reuters – Every day during his lunch break, Chinese businessman Shen Bin buys three lottery tickets for about 33 cents apiece and then watches to see if his chosen numbers flash across television screens suspended from the ceiling. “I haven’t won yet. Hopefully one day. But for now, it doesn’t matter because the money goes to charity,” Shen said in the brightly lit store on a busy road in Shenzhen, a booming metropolis just north of Hong Kong. Half a world away in New York, investors in Chinese online lottery platform 500.com Ltd have found their own winning ticket: the…