Canada's TSX Composite Index fell 0.6% as investors reassessed risk amid Middle East tensions and ahead of critical U.S. inflation data. The benchmark closed lower as geopolitical uncertainty weighed on sentiment across North American markets.

The TSX decline reflects broader market caution. Investors reduced positions in cyclical sectors ahead of the Consumer Price Index release, a key gauge of inflation that the Federal Reserve monitors closely. Energy stocks led declines as crude oil prices retreated on demand concerns tied to Middle East instability.

Financial stocks also pressured the index. Bank weakness rippled through the TSX as higher-risk assets faced selling pressure. Materials and industrials, sensitive to economic growth expectations, retreated as investors rotated toward defensive holdings.

The U.S. inflation data looms large for both markets. A higher-than-expected CPI reading could signal persistent price pressures, potentially keeping the Fed's interest rate path elevated. That scenario threatens equity valuations and makes bonds more competitive. Conversely, cooling inflation could relieve pressure on central banks and support stock gains.

Middle East tensions add another layer of uncertainty. Geopolitical risks historically drive oil prices higher and create volatility in equity markets. Energy producers benefit from higher crude, but broader economic concerns over supply disruptions and travel costs temper enthusiasm in other sectors.

The TSX's sensitivity to both commodity prices and U.S. monetary policy means Canadian investors face a two-front watch. Oil prices and inflation data will shape the near-term direction. A spike in crude combined with hot inflation figures would likely pressure equities further. Stability in both areas could reverse the decline.

Tech stocks, which dominate North American indices, also pulled back on rising rate expectations. Higher borrowing costs reduce the present value of future cash flows, a particular headwind for growth-oriented companies trading on earnings potential rather than current profits.

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