Roberto Perli of the Federal Reserve Bank of New York, who oversees the Fed's securities portfolio known as the System Open Market Account (SOMA), said the rise in overnight funding costs was a sign that bank reserves were no longer abundant and that the Fed would buy assets "before long" to maintain desirable levels of liquidity. Several indicators, including the rise in money market interest rates, "strongly suggest that reserves are no longer abundant", Mr. Perli said in remarks prepared for ...