US Markets Plunge as Trump Unleashes New Tariffs on China, Reigniting Trade War Fears

US financial markets suffered a dramatic sell-off on Friday after President Donald Trump announced sweeping new trade measures against China, including a 100% tariff on all Chinese imports and stringent export controls on critical software.

The move has reignited fears of a renewed trade war between the world's two largest economies, sending shockwaves through global markets.

In a post on Truth Social, President Trump declared that the new tariffs would take effect on November 1, 2025, or earlier if China escalates its actions. "Based on the fact that China has taken this unprecedented position... the United States of America will impose a Tariff of 100 per cent on China, over and above any Tariff that they are currently paying," Trump wrote. He also announced export restrictions on "any and all critical software."

The announcement followed a week of rising tensions, culminating in Trump's accusation that China had sent "an extremely hostile letter to the world." Earlier on Friday, he dismissed the possibility of meeting with Chinese President Xi Jinping, citing Beijing's aggressive trade stance and its newly imposed export controls on rare earth elements.

China, which dominates global processing of rare earths-essential for smartphones, electric vehicles, and military technologies-expanded its list of restricted minerals. Five new elements were added: holmium, erbium, thulium, europium, and ytterbium, bringing the total to 12 out of 17 rare earth types now under export control. Licenses will be required not only for the elements themselves but also for technologies related to mining, smelting, and magnet production.

Market Carnage

The U.S. stock market responded with a steep decline:

- The Dow Jones Industrial Average fell 878.82 points, closing at 45,479.60, a drop of 1.90%

- The S&P 500 lost 182.60 points to settle at 6,552.51, down 2.71%

- The Nasdaq Composite plunged 820.20 points, ending at 22,204.43, a fall of 3.56%

More than $1.5 trillion in market value was wiped out in a single day, marking one of the worst trading sessions of the year. The cryptocurrency market also saw unprecedented volatility, with $19 billion in liquidations-the largest single-day figure ever recorded.

Investor Anxiety Mounts

The sell-off reflects deep investor anxiety over the escalating trade conflict and its potential to disrupt global supply chains, particularly in the technology and defense sectors. Analysts warn that the tit-for-tat measures could have long-term consequences for innovation, manufacturing, and international cooperation.

"This is a sharp escalation," said one market strategist. "The rare earth restrictions alone could cripple key industries, and the software export controls add another layer of uncertainty."

As the November deadline approaches, all eyes will be on Beijing's next move-and whether diplomatic channels can be reopened to prevent further economic fallout.