Gensler Notches Win on Activist Rule, While Concessions Tamp Down Funds' Opposition

Also, Wall Street's market structure wonks descending on D.C.; Barr defends capital rule -- to a room full of bankers

Gary Gensler got a win today (as we reported earlier in a special breaking news edition), spearheading the first revamp of an important investor disclosure requirement in five decades. The new rule, speeding up the deadline for activist hedge funds to report big stakes in companies, didn’t thrill the industry and was opposed today by Hester Peirce, one …