Investor Guide · Geopolitics & Sanctions

What Are Secondary Sanctions and How Do They Affect Stocks?

Primary sanctions prohibit U.S. persons from doing business with sanctioned entities. Secondary sanctions go further — they threaten non-U.S. companies with loss of U.S. market access if they continue doing business with sanctioned countries. This dramatically expands the reach of U.S. sanctions and creates compliance risk for global multinationals.

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Latest Policy Signals
Updated: Mar 5, 2026 · 6:34pm ET
Ending Certain Tariff Actions
AAPL, ADM, BA, CAT
High Impact · 8/10
Strengthening United States National Defense with America’s Beautiful Clean Coal
KLAC, LMT, RTX, TSLA
High Impact · 8/10
Modifying Duties to Address Threats to the United States by the Government of th
AAPL, ADM, CVX, INTC
High Impact · 8/10
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The Short Answer
Key Points
Primary sanctions prohibit U.S. persons from doing business with sanctioned entities. Secondary sanctions go further — they threaten non-U.S. companies with loss of U.S. market access if they continue doing business with sanctioned countries. This dramatically expands the reach of U.S. sanctions and creates compliance risk for global multinationals.
What are secondary sanctions and why do they matter for investors?
Secondary sanctions penalize non-U.S. companies for doing business with sanctioned countries, threatening them with loss of U.S. market access. This creates compliance risk for global multinationals — even if they have no direct U.S. operations — and can force them to choose between U.S. and sanctioned markets.

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Recent Executive Orders in This Area

These are the most recent policy actions tracked by AISB that are relevant to this topic. Each is scored for market relevance and mapped to affected tickers.

Ending Certain Tariff Actions
Ending Certain Tariff Actions
AAPL ADM BA CAT FDX
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Strengthening United States National Defense with America’s Beautiful Clean Coal
Strengthening United States National Defense with America’s Beautiful Clean Coal Power Generation Fleet
KLAC LMT RTX TSLA
Full analysis →
Modifying Duties to Address Threats to the United States by the Government of th
Modifying Duties to Address Threats to the United States by the Government of the Russian Federation
AAPL ADM CVX INTC JPM
Full analysis →
Promoting the National Defense by Ensuring an Adequate Supply of Elemental Phosp
Promoting the National Defense by Ensuring an Adequate Supply of Elemental Phosphorus and Glyphosate-Based Herbicides
BAYRY KLAC LMT NSRGY RTX
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