PowerShares DB U.S. Dollar Index Bullish ( UUP ) slipped 0.23% to 21.90. Shutterstock photo Gold prices were flat Wednesday as the buying hype surrounding the Federal Reserve's third round of quantitative easing faded and the metal lost appeal as a safe haven amid an outlook for weak corporate earnings and inflation. The program's $40 billion a month in mortgage-backed securities purchases is too little to make a difference in a market worth $8.5 trillion.