Wall Street turns bearish on gold price, warns of volatility ahead of Jackson Hole As gold ends the week down 3%, Wall Street is turning negative on gold for next week, blaming a strong U.S. dollar and pressure from the upcoming Jackson Hole Symposium. Gold folded under pressure from the greenback on Friday as the U.S. dollar index climbed to 20-year highs. December Comex gold futures were last trading at $1,763.10, down 3% on the week. Markets remain focused on…