These charts show how volatile the last quarter was for stocks and bonds

• Wall Street's rally slowed dramatically with the S&P 500 up 2.03%, Dow down 1.9%, and Nasdaq up 2.2%, averaging just 0.6% compared to double-digit gains in the prior quarter
• Oil prices surged 42% for Brent crude to $103.53/barrel and 30% for WTI to $90.42/barrel, marking the third-highest quarterly gain in a decade
• Global bonds sold off sharply with U.S. 10-year Treasury yields exceeding 5% (highest since decades) and 30-year yields above 5.5%, driven by inflation fears and rate hike expectations

Summary: Q3 Market Volatility Driven by Geopolitical Tensions and Sector Rotation

Key Market Performance

The third quarter showed significant volatility across asset classes, with equities posting mixed results. Wall Street's major indexes saw an average gain of just 0.6%, marking a sharp deceleration from the previous quarter's double-digit returns. The S&P 500 rose 2.03%, while the Dow fell 1.9% and the Nasdaq gained 2.2%.

Geopolitical Impact

The U.S.-Israel conflict with Iran dominated market sentiment, with the Strait of Hormuz remaining blocked, raising inflation and energy concerns. President Trump threatened "Economic D-Day" on Tehran and reportedly rejected an Iranian ceasefire proposal.

AI Sector Turbulence

AI-linked equities experienced significant volatility, with investors pivoting away from the sector. South Korea's Kospi index plunged 19.3%, and the Philadelphia Semiconductor Index dropped over 11%. Individual AI stocks showed divergence: Microsoft and Meta surged 37.5% on strong earnings, while Nvidia and Amazon declined over 6%. Palantir jumped nearly 30% on robust AI product adoption.

Bonds and Commodities

Global government bonds suffered a widespread sell-off, with U.S. 10-year and 30-year Treasury yields hitting multi-decade highs above 5% and 5.5%, respectively. Oil prices rallied sharply, with Brent crude surging 42% to $103.53 per barrel and WTI rising 30.1% to $90.42, marking the third-highest quarterly gain in a decade.

Currency Markets

The U.S. dollar index remained elevated around 101.451, up 3% year-to-date, as rising bond yields drove safe-haven demand despite stabilization concerns.

Analysts recommend diversified equity exposure across sectors and regions while monitoring geopolitical developments and inflation expectations.