US-China Trade War: 3 Scenarios for Investors | Morgan Stanley Analysis (2025)

The US-China Trade War Isn’t Over—It’s Just on Pause. And That’s Where Things Get Complicated.

While the worst of the tariff fears may seem behind us, Morgan Stanley is sounding a cautionary note: investors should brace for tensions to reignite faster than anyone expects. But here’s where it gets controversial—the bank isn’t just predicting a return to conflict; it’s outlining three distinct scenarios that could shape the global economy in the coming year. Are we headed for a fragile truce, a full-blown collapse, or an unexpected economic rebound? Let’s dive in.

Earlier this year, when former President Donald Trump and Chinese President Xi Jinping agreed to pause certain tariffs for a year, markets breathed a sigh of relief. The deal lifted a cloud of uncertainty that had been hanging over investors. But Morgan Stanley economist Jenny Zheng warns that this calm could be short-lived. In a recent analysis, Zheng highlights the fragility of the truce, pointing to ongoing US-China competition across multiple fronts—from trade to technology. “Rolling negotiations, temporary ceasefires, and periodic flare-ups are likely the new normal,” she notes. But this is the part most people miss: Zheng argues that investors need to prepare for a world where the US no longer dictates global economic rules. Instead, they should position themselves for a fragmented landscape, where China’s localization efforts and shifting policies play an increasingly dominant role.

So, what could the future hold? Morgan Stanley lays out three scenarios, each with its own implications for investors:

1. The Base Case: A Fragile Truce with Occasional Flare-Ups
In the most likely scenario, the one-year truce holds—but not without hiccups. While the 10% tariff cut on fentanyl and the pause in non-tariff measures could boost China’s export growth by around 1%, analysts predict only marginal adjustments from China to rebalance its economy. These changes are unlikely to have a significant impact, leaving the relationship vulnerable to intermittent tensions. “It’s a band-aid solution,” Zheng explains, “not a long-term fix.”

2. The Bear Case: A Premature Collapse and Global Disruption
Here’s where it gets bleak: if the truce falls apart, new tariffs and trade barriers could emerge, sending shockwaves through global markets and supply chains. The MSCI China index would likely plummet, and the US and China could resume their tit-for-tat restrictions on critical sectors like rare earth minerals and high-grade technology. “This scenario would strain global supply chains and deepen trade-tech fragmentation,” the bank warns. But is this outcome inevitable, or can diplomacy prevail? That’s a question worth debating.

3. The Bull Case: China’s Economic Rebound and Policy Shift
The most optimistic scenario sees China’s economy thriving as it pivots toward consumption-driven growth, avoiding a deflationary spiral. Improved policy clarity could attract foreign investment, boost high-growth sectors, and push the MSCI China index to a forward P/E ratio of >14x. However, Morgan Stanley remains skeptical. “While this is the best-case scenario, it’s also the least likely,” the analysts note, urging investors to prioritize defensive strategies and focus on China’s localization efforts to mitigate risks.

The Bigger Question: What Does This Mean for You?
As investors navigate this uncertain landscape, the key takeaway is clear: adaptability is crucial. Whether you’re bullish, bearish, or somewhere in between, preparing for multiple outcomes is essential. But here’s a thought-provoking question to leave you with: As the US-China trade relationship continues to evolve, is the world moving toward a multipolar economic order? And if so, what does that mean for traditional power dynamics? Let us know your thoughts in the comments—this is one debate that’s far from over.

US-China Trade War: 3 Scenarios for Investors | Morgan Stanley Analysis (2025)

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