主要是看其净值的增减：截至日期单位净值(元)累计净值(元)增长率(%)2010-4-301.19602.5460-0.58%2010-4-291.20302.5530-1.80%2010-4-281.22502.5750-0.24%2010-4-271.22802.5780-2.00%2010-4-261.25302.6030-0.56%2010-4-231.26002.6100-0.24%2010-4-221.26302.6130-0.39%2010-4-211.26802.61802.26%2010-4-201.24002.5900-0.32%2010-4-191.24402.5940-5.54%2010-4-161.31702.6670-0.68%2010-4-151.32602.6760-0.53%2010-4-141.33302.68300.45%2010-4-131.32702.67700.53%2010-4-121.32002.6700-0.75%2010-4-91.33002.68000.99%2010-4-81.31702.6670-1.05%2010-4-71.33102.6810-0.30%2010-4-61.33502.6850---2010-4-21.33802.68800.68%2010-4-11.32902.67901.53%2010-3-311.30902.6590-0.61%