On August 31, the SEC requested comments on issues raised by the use of derivatives by mutual funds and other investment companies regulated under the Investment Company Act, including: (i) how different types of funds use derivatives; (ii) how to measure the amount of leverage a fund incurs when investing in a derivative; (iii) how a fund should value a derivative for diversification purposes; (iv) how investing in a derivative from a broker-dealer differs from investing in the broker-dealer's stocks or bonds; (v) how funds determine the industries to which they may be exposed through a derivative; and (vi) whether the SEC should issue guidance on how funds should value derivatives.  Comments must be submitted within 60 days after publication in the Federal Register.  SEC Release.