US Tariffs and Rare Earths: The Geopolitical Impact on the Economy

The recent diplomatic movement surrounding the 25% customs barriers imposed on Brazilian products highlights the fragility of global supply chains and the real cost of international friction for national businesses. When the top executive reports a good understanding with Donald Trump, but encounters second-tier punitive measures on deforestation and intellectual property, the Brazilian business environment absorbs a direct shock to predictability, altering corporate risk appetite and the pricing of strategic assets.

In the foreign exchange and foreign trade environment, the commercial dollar traded in the range of R$ 5.1625, showing a subtle retraction of 0.03% in the 7-day variation and a 0.46% decline in the 30-day window, reflecting a relative calm that contrasts with Washington's rhetorical turbulence. Simultaneously, inflation measured by the IPCA accumulated a 4.44% increase over 12 months, presenting a 7-day dynamic at 4.23% and a monthly oscillation of -4.31%, figures that demonstrate the persistence of cost pressures while the Central Bank keeps the Selic rate at contractionary levels of 14.00% per year, with no significant variation in recent weeks.

This discussion on commercial sovereignty and the resurgence of barriers adds to our recent series of analyses on the institutional risk premium, marking the fifth consecutive negative reading in the portal's collection on political and exchange rate uncertainty in 2026. From the perspective of value tradition and margin of safety, the sudden fluctuation of tariffs and regulatory demands demonstrates that companies exposed to Commodities and external inputs operate without an adequate cushion of protection against arbitrary decisions by foreign powers. Ignoring external regulatory risk is equivalent to buying assets without discounting the appropriate premium for losses arising from unilateral customs barriers.