Chart in focus: What does a weak US dollar mean for global investors?

Figure 1

A continued rut in the dollar may signal something larger — declining US credibility. This would be significant because for many years the US dollar has served as a safe-haven currency. So, not only have good times supported the greenback, but also times of market stress based on the expectation US dollar-denominated assets would experience relatively less volatility than those associated with other, more volatile currencies. Now, interestingly, although US tariff policy seeks to stem trade deficits with other countries, ironically, the stability of the US dollar and its markets has often attracted these foreign excess capital flows. The bottom line is, should the US dollar lose this status, it would reflect a structural decline, reshaping portfolio currency-hedging needs and accelerating a rotation out of US risk assets, like equities. 

What are we watching?

Given this backdrop, we’re monitoring three things: 

• US political developments: Trade policy resolution and budget outcomes could influence dollar sentiment.
• Capital flows: Shifts in foreign demand for US Treasuries and equities may indicate the magnitude and sustainability of a shift in US dollar strength.
• US Federal Reserve (Fed) policy: Forward guidance and balance-sheet signals remain key, especially if inflation or growth surprises shift expectations.

Three investment implications

1. A weaker US dollar typically supports global equities, commodities, and emerging markets, but US tariff uncertainty could complicate this dynamic. Tariff-induced dollar weakness could also impact corporate earnings, providing a boost for US multinationals while pressuring US-sourced earnings of non-US companies. 
2. Should the US dollar remain relatively weak, investors’ portfolio currency-hedging needs may change, with an impact on return and volatility potential predicated on base currency and foreign exposure. 
3. The Fed has held interest rates steady, but addressing the backlog of cuts could further pressure the dollar. 

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