Wall Street dips; Greece negotiating team rejig boosts Europe

By Sam Forgione NEW YORK (Reuters) - Wall Street fell modestly on Monday following healthcare stocks, but European shares and the euro advanced on optimism over talks between Greece and its lenders after Greece reshuffled its negotiating team. The S&P Healthcare index was last down 1.28 percent, with a 3-percent drop in Amgen contributing to the S&P 500's retreat from an intraday record peak and dragging on the Nasdaq. MSCI's all-country world stock index pared gains after touc