MiamiHerald.com Gensler Asks If 'Nudge' From Congress Is Needed in Swaps Market BusinessWeek March 11 (Bloomberg) — Gary Gensler, chairman of the Commodity Futures Trading Commission, asked exchange leaders if a “nudge” from Congress was needed to improve price transparency in private swaps markets. … Regulator faults Wall Street banks on derivatives The Associated Press Gensler:CFTC Working On Proposed Rule On Co-Location Wall Street Journal CME CEO to CFTC chief: no OTC trading mandates Reuters Financial Times