Mumbai, Sept. 17 -- COMEX Copper futures fell sharply today, sliding near one-week low as caution prevailed ahead of the US Federal Reserve meeting outcome. Markets also eyed rising global Copper supplies as Anglo American and Chile's state-owned copper company Codelco announced that they have finalized an agreement to jointly operate copper mines in Chile, which have at least US$5 billion in value. Geopolitical worries also escalated as Israel launched a sweeping ground offensive in Gaza City. COMEX Copper is currently down 1.70% at $4.61 per pound, easing from a six-week high. Meanwhile, in Asia, China's Shanghai Composite index added 0.37%. Hong Kong's Hang Seng index soared 1.80% amid solid gains in tech counters. Japan's Nikkei index e...