Oil prices slipped on Friday as concerns over economic growth were rekindled after talks fell short of offering concrete steps to end the Sino-U.S. trade conflict, although OPEC-led production cuts bolstered sentiment in crude markets. Oil prices were also supported by comments from U.S. Federal Reserve Chairman Jerome Powell on Thursday that the central bank had the ability to be patient on monetary policy. International Brent crude futures LCOc1 were at $61.22 per barrel at 0139 GMT, down 46 cents, or 0.75 percent, from their last close. However, Brent remains on track for a second consecutive week of gains as it ... (full story)