Copper slips on firm dollar; technicals bearish

* London copper off 0.3 pct, ShFE slips 0.8 pct * Dollar firms vs euro on Greek debt worries * Technicals indicate further drop in copper prices * Market volatility to persist near term -Morgan Stanley * Coming Up: Euro zone finance ministers meeting (Adds comment, updates prices) By Manolo Serapio and Carrie Ho SINGAPORE, May 16 (Reuters) - Copper ticked lower on Monday as the euro fell

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