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To: rotweil who wrote (42045)11/25/2003 12:30:15 PM
From: NOW  Read Replies (1) | Respond to of 74559
 
fascinating: now who is going to step up to the plate and actually do an analysis to se if it is true?



To: rotweil who wrote (42045)11/27/2003 9:29:37 AM
From: Oblomov  Read Replies (1) | Respond to of 74559
 
>The topics of how program trades are executed and how retail
>firms combine orders into baskets of stocks and how they determine
>"when" to execute such baskets

There could be manipulation, but not like how Carolan describes it. Retail firms don't combine retail orders. The firm either acts as principal (execution is done outside the firm) or agent (execution is done against the firm's inventory). In either case, the trade price is reported to the exchange.

Program and block trading is done almost entirely by institutions. There is the possibility for manipulation there. The timing of a large trade could have a big effect on the price behavior of a stock.