Oil Price Surge Triggers Global Stock Market Rout Amid Geopolitical Tensions

A prolonged energy disruption has sent global stock markets tumbling as oil prices soar to their highest level in months. The Dow Jones, S&P 500, and Nasdaq all fell between 0.3% and 0.75% on September 9 after Brent crude crossed $100 per barrel for the first time since July.

Oil is often the transmission channel through which geopolitical tensions impact global stock markets. A threat to oil fields or ports can cut supply, raise fear of a supply cut, and send costs soaring for airlines, transport firms, chemical makers, and factories. Consumers also face higher fuel and food costs.

Higher energy costs can lift inflation, pushing central banks toward higher interest rates, which in turn puts pressure on stock values. Growth stocks are particularly vulnerable to this pressure. The 10-year U.S. Treasury yield stood at 4.794% on September 9, close to a recent three-year high.

The Federal Reserve faces a harder choice as confidence in its decision to hold interest rates steady has weakened since August. Markets expect the Bank of Japan to raise rates on September 17-18.