Oil prices rose as much as 1% on Friday as tensions persisted in the Middle East following Houthi attacks on ships in the Red Sea, although Angola’s decision to leave OPEC raised questions over the group’s effectiveness in supporting prices. Brent crude futures were up 70 cents, or 0.9%, to $80.09 a barrel by 0700 … Continue reading Oil climbs as Red Sea tension persists, but Angola’s OPEC exit caps gains