Dollar hits 5-wk high on hawkish Fed remarks China’s Sichuan extends power curbs on heatwave -Caixin China cuts lending benchmarks to revive faltering economy Western leaders discuss Iran nuclear deal LONDON, Aug 22 (Reuters) – Oil prices slumped on Monday as investors were concerned that aggressive U.S. interest rate hikes might weaken the global economy and fuel demand while a stronger dollar also weighed. Brent crude futures for October settlement fell $1.60, or 1.6%, to $95.12 a barrel by 0900 GMT. U.S. West Texas Intermediate (WTI) crude futures for September delivery, due to expire on Monday, were down $1.56, or 1.7%, at $89.21 a barrel. The more active October contract was at $88.92, down $1.52, or 1.7%. On Friday both Brent and WTI […]