By Aaron Saldanha April 24 (Reuters) – Latin American stock markets broadly fell on Wednesday, with sharp losses seen among Brazil’s stocks as cheer on a pension reform proposal passing a congressional hurdle wore off, while currencies in Latin America were pressured by a firm dollar. The proposal to reform Brazil’s giant pension system – much awaited among investors – cleared a congressional committee amid much debate late on Tuesday, but it is not yet out of the woods. In broader Latin America, a robust dollar pressured regional currencies. Neil Dwane, global strategist at Allianz Global Investors, told the Reuters Global Market Forum most of the optimism around Brazilian pension reform is already baked into local assets and domestic growth is now needed in