The chart says YTD return is 4.11%. The summary says it's 6.61%. From the historical data: Close AdjClose 8/29/2012 21.98 21.98 1/3/2012 20.95 20.12 Using Close, the YTD return is 4.92%. Using AdjClose, it's 9.24%. Which one should be a correct number? Thank you! http://finance.yahoo.com/echarts?s=...n;ohlcvalues=0;logscale=off;source=undefined;