Oil prices hit three-month highs due to new U.S. sanctions on Russia. Brent crude rose 4.49% to $80.67, WTI increased 4.62% to $77.74. A colder winter is driving up demand in Northern Europe and U.S. China's oil demand growth may plateau, impacting global oil market fundamentals. U.S. dollar strength adds downward pressure on oil prices, complicating market dynamics.
Higher oil prices can boost energy sector stocks, positively impacting S&P 500.
Immediate effects from sanctions and demand spikes may stabilize quickly.
Oil market dynamics can significantly influence major sectors within the S&P 500.