NASD,Total,100.00%,43.30%,52.30%,4.40% NASD,Knight Equity Markets,54.16%,38.14%,66.25%,68.13% NASD,Maxim Group,41.85%,60.58%,28.11%,20.88% NYSE,Total,100.00%,75.63%,20.92%,3.45% NYSE,Knight Equity Markets,53.79%,49.54%,61.54%,100.00% NYSE,Maxim Group,46.21%,50.46%,38.46%,0.00% AMEX,Total,100.00%,57.24%,39.31%,3.45% AMEX,Knight Equity Markets,67.59%,55.42%,82.46%,100.00% AMEX,Maxim Group,32.41%,44.58%,17.54%,0.00%