America's Canadian import restrictions come into force. Here are the products barred from entry

A negotiated settlement removing or significantly narrowing the restrictions would likely ease supply-chain uncertainty and reduce near-term volatility in automotive, agriculture, and energy sectors, though the terms of any deal would determine whether input costs stabilize or remain elevated relative to pre-restriction levels.

If restrictions remain in place without escalation or formal negotiation progress, companies would adapt through sourcing diversification and price pass-through, creating a new baseline for cross-border trade costs that markets would gradually incorporate into valuations rather than trigger sharp repricing.

Tit-for-tat Canadian retaliatory tariffs or expanded U.S. restrictions would compound supply-chain disruption and input-cost pressures, putting downward pressure on equities in trade-exposed sectors and likely weakening the Canadian dollar as capital flows and trade balances deteriorate.