ROUGH CUT (NO REPORTER NARRATION)<br/> <br />The U.S. Federal Reserve announced plans to trim its aggressive bond-buying program on Wednesday but sought to temper the long-awaited move by suggesting its key interest rate would stay lower for even longer than previously promised.<br/> <br />In what amounts to the beginning of the end of its unprecedented support for the U.S. economy, the central bank said it would reduce its monthly asset purchases by $10 billion, bringing them down to $75 billion. It trimmed equally from mortgage and Treasury bonds.<br/> <br />"The (policy-setting) committee sees the risks to the outlook for the economy and the labor market as having become more nearly balanced," the Fed said after a two-day meeting.<br/> <br />The move, which surprised some investors, was a nod to better prospects for the economy and labor market and marks a historic turning point for the largest monetary policy experiment ever.<br/> <br />Stocks initially dropped, but quickly moved back into positive territo
