Oil back at early April highs as demand shows signs of picking up

LONDON (Reuters) - Oil prices touched a one and a half month high on Friday amid signs demand for crude was picking up, with China reporting increased refinery runs and rounding out a week of bullish news on the supply front. West Texas Intermediate (WTI) oil was up 65 cents, or 2.36%, at $28.21 a barrel at 0938 GMT, after reaching $28.75, its highest level since early April. WTI jumped 9% in the previous session.Brent crude was up 81 cents, or 2.6% at $31.94 a barrel, after touching $32.50 the..