The %Change charts from Tradestation that I have been featuring in the Week Ahead column have gotten quite a bit of interest.

FORBES: What Should Income Investors Do Now?

Chart Analysis : This percentage change chart (courtesy of TradeStation.com) shows the performance of the SPDR Diamonds Trust ( DIA) and Spyder Trust ( SPY) since the start of 2011.

FORBES: Are Dow Stocks Still the Best Bet?

Chart Analysis : The percentage change chart (a unique feature in Tradestation) shows that despite the 16% rally from the October 4 lows, EEM is still down 15.3% for the year.

FORBES: Traders Betting Big on Emerging Markets