Oil prices surge as global markets retreat and Indonesia struggles to restore confidence

2026, October 20

Indonesia / United States / Europe

Global financial markets came under renewed pressure as crude oil prices climbed and investors awaited earnings from major technology companies. Brent crude rose above $111 a barrel, reaching a five-month high amid Middle East supply concerns. European shares fell for a second consecutive session, while US technology futures also weakened as investors questioned whether enormous artificial-intelligence investments would generate sufficient returns.

Indonesia's stock market showed signs of recovery after a record two-day sell-off wiped approximately $82 billion from market value. The Jakarta Composite Index rose 5.3% on Tuesday following emergency measures to curb excessive selling. The turmoil began after index provider MSCI warned that Indonesia could lose its emerging-market classification because of concerns about ownership transparency and trading practices.

Why it matters: Expensive energy threatens to fuel inflation, while market volatility can raise borrowing costs and undermine investor confidence. Indonesia's situation also demonstrates how changes to international index classifications can trigger substantial capital movements.

Sources: Reuters — Global markets fall as oil rises and AI earnings approach · Reuters — Indonesia battles to stabilise markets after MSCI warning