U.S. oil edges up after tumbling to lowest since June 2017 on economy fears

SEOUL (Reuters) - Oil prices were mixed on Wednesday as the U.S. benchmark rebounded from steep losses in the previous session, even though concern over the health of the global economy continued to overshadow the market.U.S. West Texas Intermediate (WTI) crude futures , were up 13 cents, or 0.31 percent, at $42.66 per barrel, at 0748 GMT. Prices earlier rose as much as 2 percent. They slumped 6.7 percent in the previous session to $42.53 a barrel, the lowest since June 2017.Brent crude oil..