Here's a yahoo chart comparing IBKR, Citi and the broker dealer index over the last year:
<img src="http://ichart.finance.yahoo.com/z?s=%5EXBD&t=1y&q=l&l=off&z=m&c=C,IBKR&a=v&p=s">
Any idiot (OK, apparently all but the original poster/idiot) knows stocks in the same sector are highly...