Curbs on banks may include include ownership limits in commodity businesses, restrictions on proportion of revenue derived from commodities, and increased capital requirements.

Enforcement of trading rules may not take effect until September 2015 for swaps booked in banks' overseas affiliates.

Enforcement of trading rules may not take effect until September 2015 for swaps booked in banks' overseas affiliates.

CFTC is preparing to levy fines against firms accused of rigging currency benchmark rates.

CFTC is preparing to levy fines against firms accused of rigging currency benchmark rates.

Massad says although the agency is trying to coordinate with foreign regulators, there will be rules differences between jurisdictions.

Massad says although the agency is trying to coordinate with foreign regulators, there will be rules differences between jurisdictions.

Agency wants to know whether money funds would survive a trading freeze.