OIH is trading at $389.58, up 3.34%, and the move appears tied mainly to oil-sector strength and geopolitical supply risks. - In live trading as of 10:01 a.m. ET on October 23, oil prices were near a five-month high; Brent was $114.31 by 10:06 GMT amid Middle East escalation and supply-disruption concerns. - SLB, a major oilfield-services company, reported third-quarter results today, beating adjusted earnings expectations.