Investing.com - Silver futures fluctuated between small gains and losses on Tuesday, as market players looked ahead to Wednesday’s Federal Reserve minutes, as well as testimony on the economic outlook and monetary policy by Fed Chairman Ben Bernanke. On the Comex division of the New York Mercantile Exchange, silver futures for July delivery traded at USD22.59 a troy ounce during European morning trade, up 0.1% on the day. Comex silver prices held in a range between USD22.39 a troy ounce, the daily low and a session high of USD22.90. Silver prices were likely to find support at USD20.21 a troy ounce, Monday’s low and the lowest since September 2010 and resistance at USD23.12, Monday’s high. Silver prices plunged to USD20.21 a troy ounce on Monday, the weakest level since September 14, 2010, before rallying sharply off the lows to end the session at USD22.64 a troy ounce. Silver traders remained cautious ahead of Bernanke’s testimony at the U.S. Joint Economic Committee and the minutes of the Fed’s most recent policy meeting, both due Wednesday. Markets were awaiting any indication that the U.S. central bank will begin to scale back its asset purchase program this year after recent economic data bolstered optimism over the economic recovery. Elsewhere on the Comex, gold for June delivery was up 0.1% to trade at USD1,385.15 a troy ounce, while copper for July delivery fell 0.3% to trade at USD3.351 a pound.

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