Incremental Capital and Schottenfeld Group are proprietary trading firms that specialize in putting on short and long positions in stocks.

FORBES: Wall Street

Zvi Goffer, the founder of that firm, who formerly worked at Galleon and Schottenfeld Group, allegedly organized a ring involving fellow Galleon and Schottenfeld trading colleagues and arranged to get tips on technology company deals through a lawyer from a major New York law firm.

FORBES: Wall Street