U.S. President Barack Obama speaks about financial reform after his meeting with Presidential Economic Recovery Advisory Board Chair Paul Volcker (L) at the White House in Washington January 21, 2010. Obama proposed stricter limits on financial risk-taking on Thursday in a new populist-tinged move that sent bank shares lower and aimed to shore up his own political base. REUTERS/Kevin Lamarque (UNITED STATES - Tags: BUSINESS POLITICS HEADSHOT)