好像不如 MDY? 我没搞错吧？？请看：

392 2012-01-23 23:00:30 ( reads)

http://finance.yahoo.com/echarts?s=PRPFX+Interactive#symbol=prpfx;range=my;compare=spy+mdy;indicator=volume;charttype=area;crosshair=on;ohlcvalues=0;logscale=off;source=;