ATDF SELL
STLK - STL MARKETING GROUP,January 2013 Rank %
Total Share Volume 25,061,720
ETRF G1 Execution Services, LLC 8,933,885 1 35
NITE Knight Capital Americas LLC 5,906,611 2 23
CDEL Citadel Securities LLC 4,997,210 3 19
ATDF AUTOMATED TRADING DESK FINANC 3,208,620 4 12
PUMA Puma Capital, Llc 1,697,194 5 6