Commodity Prices: Teck Resources' profitability is heavily influenced by prices for copper, zinc, coal, and oil. Higher prices for these commodities usually drive TECK-A.TO higher.

Global Economic Growth: Increased economic activity globally usually boosts demand for the commodities Teck produces.

Supply and Demand: Simple economics, lower supply and greater demand leads to price increases.

Exchange Rates: A weaker Canadian dollar can boost TECK-A.TO, as the commodities are priced in USD but the company reports in CAD.

Company Specific News: Production reports, project development announcements, and earnings releases.

Interest Rates: Increased interest rates impact capital spending on new projects and development.

Geopolitical Risk: Instability in regions where commodities are produced can affect supply and prices.

Environmental Regulations: Changes in regulations can impact the cost and viability of mining operations.

Energy Prices: Energy prices affect the operating costs of mining and transportation.

Investor Sentiment: General market optimism or pessimism can influence buying and selling pressure.