Morgan Stanley is looking at a possible spin-off of PDT, its quantitative-trading arm, one hope being that the bank can still make some money from the independent entity if it borrows.

ECONOMIST: Why the industry��s best days may be behind it

His first job at a high-frequency trading operation was as a quantitative research analyst at Citadel, a giant Chicago hedge fund, which he joined in early 2009.

WSJ: High-Speed Trading in the Spotlight

Hull's slick algorithms and quantitative models let it control a leading share of global electronic trading in equity options.

FORBES: Fear, Greed And Technology

This was due to selling related to disappointment from those longs who had been looking for some kind of announcement on quantitative easing, said Frank Lesh, broker and futures analyst with FuturePath Trading.

FORBES: Gold Choppy But Range-Bound After Bernanke Speech

Pragma, an independent trading boutique which develops trading algorithms and provides consulting and guidance for buy-side firms, has developed a quantitative model and supporting smart-routing system for passive limit orders that it says significantly improves all-in performance.

FORBES: The Best Price In Equities Markets Could Cost Funds Millions

The U.S. dollar index is trading higher Wednesday, on short covering and due to the dollar-positive implications of no further quantitative easing from the Fed.

FORBES: Comex Gold Sharply Lower, At 11-Week Low, As Fresh Near-Term Chart Damage Inflicted