Fed's Lockhart says Economy Hit Soft Spot in Middle of Year, Inflation Has Slowed

U.s. Crude Futures Turn Positive As Bernanke Speaks

Australian Dollar Hits Parity With US Dollar

*Greenback Falls To New Multi-month Low Of 1.4160 Against Euro

Europe's Ftseurofirst 300 Turns Positive After Bernanke Remarks, up 0.1 Pct at 1,085.25 Points