The regulatory arm of the New York Stock Exchange levied fines for trading violations against LaBranche & Co. (LAB) and TradeBot Systems Inc., a Kansas City trading outfit.

All consented to the findings without admitting or denying guilt.

NYSE Regulation said Wednesday in its monthly regulatory report that it imposed a $175,000 fine and a $25,000 fine on LaBranche & Co. and Michael Ayres for multiple penalties organized into three cases. The firm's misdeeds, according to the regulator, was failing to give precedence to options orders it didn't have an interest in. For Ayres, he allegedly "inappropriately 'froze' the NETS Display Book, thereby failing to maintain a fair and orderly market."

Tradebot Systems, which uses computer programs to take advantage of small price discrepancies in buying and selling stocks, paid a $125,000 fine for short-selling violations.

-By Joan E. Solsman, Dow Jones Newswires; 212-416-2291; joan.solsman@dowjones.com

 
 
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