On October 13th, the SEC approved the International Securities Exchange's ("ISE") proposed amendment of ISE Rule 722 to: (i) allow market makers to enter quotations for complex order strategies on the complex order book, provided that such quotations will not execute automatically against bids and offers for the individual legs of the order, and make existing market maker risk management tools available for these quotations; (ii) add a size pro rata method of execution priority for bids and offers on the complex order book at the same price; and (iii) provide for an enhanced allocation of complex orders to a market maker that an Electronic Access Member designates as a "Preferred Market Maker" and that satisfies certain requirements. SEC Release No. 34-65548.