NYSE to pay $5m penalty to SEC

The case marks the first time the SEC has ever brought a case that resulted in a penalty against an exchange

NYSE Euronext agreed to pay a $5m penalty to settle allegations by the Securities and Exchange Commission that it gave some New York Stock Exchange customers an "improper head start" on trading information.

The case marks the first time the SEC has ever brought a case that resulted in a penalty against an exchange.

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