US STOCKS-Market falls on Fed stimulus uncertainty By: Reuters: Company News October 27, 2010 at 15:00 PM EDT * Materials, energy shares weigh as commodity prices drop Read More >> Related Stocks: Broadcom Corp CBOE Volatility Index Freeport-McMoRan Irsa Inversiones Y Representaciones S.A. ADR PIMCO Global StockPlus & Income Fund Pioneer Natural Resources Procter & Gamble Standard & Poors 500 Transportadora DE Gas Sa Ord B ADR