Mumbai, May 7 -- COMEX Copper futures fell sharply today as traders maintained caution ahead of the US Fed interest rate decision. The metal came off a one-week high and saw heavy selling after testing $4.80 per pound. Hopes of a stimulus fuelled recovery in China failed to prop up sentiments and the COMEX Copper futures are currently down 2.10% at $4.67 per pound. The counter had jumped around 1.70% in last session. In Equities, China's Shanghai Composite index rose 0.80% as central bank and financial regulators announced sweeping plans to cut key interest rates to support the economy, Hong Kong's Hang Seng index edged up 0.13%. Japan's Nikkei index fell 0.14%. European stocks eased marginally amid cautious trades. The US stocks dipped for...