估计明天HF尾随STEVEN COHEN掀起另一波卖的巨浪，

A large part of the selling by some hedge-fund managers has come since the beginning of October, helping to fuel the sharp selloff in stocks this month. Mr. Cohen, for instance, sold near half of his stock holdings last week, closing out the positions of roughly 50 managers who work for him because he felt they "weren't seeing the ball," says a person familiar with the situation.

Mr. Cohen's decision was made at the end of September and comes from an attempt to stem this year's losses. He now plans to keep that money on the market sidelines for the rest of the year, though he is still trading a small portfolio, along with a few other managers. The managers whose portfolios were shut are feeding Mr. Cohen short-term trading ideas, the person says.

Mr. Cohen has been one of the hedge-fund industry's most successful short-term stock-market traders, trading in and out of the market, and other traders sometimes look to him for direction. Mr. Cohen could conceivably jump back into the market quickly. Managers in cash Monday missed out on the Dow's biggest one-day point gain ever.