Year to date, Chinese stocks on U.S. exchanges have led the uptrend. The more than 150 Chinese stocks in IBD's database are up 91% in 2009 as a group (vs. the Nasdaq's 38% advance). One of every six stocks in the IBD 100 is Chinese. So an investor looking for watch-list candidates may want to monitor Chinese stocks. Duoyuan Global Water (DGW) is trading rather wide and loose. That's not so unusual, though, because Duoyuan is a June IPO. New issues