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TSX slips as oil drags energy, tech gains cushion the fall

TSX slips as oil drags energy, tech gains cushion the fall
Markets · 2026
Photo · Marcus Devlin for Daily Digest Invest
By Marcus Devlin Equities Correspondent Oct 5, 2026 4 min read

Canada's benchmark stock index slipped on Monday, as a drop in oil prices pulled energy and materials shares lower, offsetting gains in technology stocks. The S&P/TSX Composite fell 0.2% to 35,441.80, a modest decline that masked a split session beneath the surface.

Energy stocks led the retreat, falling 0.9%, while materials slipped 0.8%. Information technology, by contrast, rose 1.9%, giving the index a partial cushion. The mixed moves reflect the TSX's heavy reliance on commodities, which often makes it more sensitive to oil and metal prices than other major indexes.

Why oil matters to the TSX

Canada's benchmark index is unusually tied to commodities. Energy and materials companies—ranging from oil sands producers to miners—make up a large share of the TSX's biggest names. When crude prices fall, those stocks tend to drag the whole index down, even if other sectors are doing well.

On Monday, oil prices declined, though the brief did not specify the exact drop. That was enough to weigh on energy producers, whose profits are closely linked to the price they get for each barrel. Materials stocks, which include miners and fertilizer companies, also slipped, likely reflecting broader commodity weakness.

The decline in oil comes at a time when global supply and demand dynamics remain in focus. Investors are watching whether OPEC+ production decisions, U.S. shale output, and demand from major economies like China will keep prices range-bound or push them lower.

Tech stocks buck the trend

While energy and materials dragged, technology shares climbed 1.9%. That gain helped limit the overall decline, highlighting how the TSX's tech sector—home to companies like Shopify and Constellation Software—can act as a counterweight to commodity-driven moves.

Tech stocks often benefit when investors feel more optimistic about growth or when interest-rate expectations ease, since higher rates tend to hit growth-oriented companies harder. Monday's tech rally suggests some investors were looking past the commodity weakness and focusing on other parts of the market.

Rate-hike expectations cool

Another factor in Monday's session: traders dialed back their expectations for near-term interest-rate hikes. That shift can support stocks, particularly rate-sensitive sectors like technology and real estate, because lower rates reduce borrowing costs and make future earnings more valuable.

The Bank of Canada has been navigating a delicate balance between fighting inflation and supporting economic growth. Recent data has shown some softening in the economy—for example, Canada's services sector has been shrinking for four months as costs climb. That kind of weakness can make the central bank more cautious about raising rates further.

Investors are also watching the U.S. Federal Reserve, since Canadian rate decisions often move in step with their southern neighbor. U.S. stocks edged lower as investors awaited Fed minutes for clues about the path of rates, and Treasury yields near 2002 highs have been putting pressure on equities globally.

What this means for investors

For everyday investors, Monday's move is a reminder that the TSX is not a single, uniform market. A decline in the index can hide big differences between sectors. Energy and materials investors may feel the sting of lower oil prices, while tech investors might be enjoying gains.

It also underscores the importance of diversification. If your portfolio is heavily weighted toward Canadian energy or materials stocks, a drop in oil can hit you harder than the overall index suggests. Conversely, holding a mix of sectors—including technology—can help soften those blows.

The cooling of rate-hike expectations is another factor to watch. If the Bank of Canada and the Fed signal they are done raising rates, that could provide a tailwind for stocks, especially growth-oriented ones. But if inflation proves stubborn, rates could stay higher for longer, which would likely weigh on valuations.

Oil prices remain a wildcard. Gulf stocks edged higher as rate-hike odds cooled and oil held steady, showing how interconnected global markets are. A sustained drop in crude could keep energy shares under pressure, while a rebound could lift them quickly.

For now, the TSX's modest decline is more of a blip than a signal. But it highlights the forces—commodities, rates, and sector rotation—that will continue to shape Canadian markets in the weeks ahead.

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