U.S. stocks fell, following three weeks of gains for the Standard & Poor’s 500 Index, as financial shares slumped and investors watched speeches from Federal Reserve officials for clues on monetary policies. Goldman Sachs Group Inc. and Citigroup Inc. declined more than 2.4 percent as Atlantic Equities LLP forecast a drop in fixed-income trading revenue for the biggest U.S. banks. BlackBerry (BBRY) Ltd. dropped 5 percent after at least three analysts lowered their recommendations on the shares. Apple Inc. surged 4.1 percent after saying first-weekend sales of its new iPhones topped 9 million units. The S&P 500 ... (full story)