In what could be a grim preview of what’s to come if the planet’s two largest economies square off in a trade war, stocks in multinational corporations were hammered following a tweet from President Donald Trump on either side of the Pacific.

That harm would ripple outward and influence anybody who buys a fridge, a vehicle, an iPhone, or anything else with a computer chip within. They behave to offset rising costs including job reductions, although companies which import parts or goods from China may or may not pass on costs to customers.

Goldman Sachs climbed the probability of auto tariffs are coming back this season (to 20, and lessened the odds it provides to a free trade agreement between the U.S., Canada and Mexico.

“The President’s willingness to risk a market disturbance by threatening an unanticipated tariff hike suggests that he may also be inclined to risk the disturbance that officially indicating automobile tariffs or declaring the intent to withdraw from NAFTA might cause,” Goldman Sachs said in study published over the weekend.

By escalating trade pressures, the sector hit has been technology. Micron Technology Inc., Advance Micro Devices Inc. and Applied Materials Inc. all shrunk 4 percent at the opening bell. Other chipmakers weren’t far behind.

Based on data supplier FactSet, 64.7percent of Qualcomm’s earnings comes from China. Broadcom’s Chinese earnings is 48% of its total.

Heavy hitters in the technology industry like Apple Inc., Amazon.com and Alphabet all missing ground. Apple gets nearly one-fifth of its revenue from world’s second biggest market.

However, each sector was from industrial to retail Monday, under pressure, and shares which were in retreat Monday monitored closely with its vulnerability to China.

Wynn Resorts, with a range of resorts and casinos in Macau, gets about 75% of its earnings based on FactSet. Wynn shares tumbled 5 percent.

Chinese companies weren’t immune to the damage.

Alibaba stocks skidded stocks in Weibo and near 5 percent — China’s variation of Twitter — fell about 6%.

On Sunday, President Trump tweeted he would raise import taxes to 25 percent from 10% as of Friday on $200 billion in goods. That’s on top of a 25% duty on another $50 billion of Chinese imports.

The announcement of trump caused markets to plunge early, beginning in Asia.

With each sliding 1 percent, the Dow dropped 300 points at the opening bell.

In a note to clients, an analyst for Raymond James explained that though Trump has previously used the danger of tariffs as bargaining leverage, which doesn’t seem to be true this time. The analyst wrote that based on the firm’s talks with trade resources, there is”universal view” any potential agreement fell apart lately, despite the agreement being close to completed last week.

A spokesman for the Chinese government stated its envoys continue to prepare for a trip to the United States for trade discussions, but there have been concerns in the aftermath of Trump’s tweet which Beijing may back outside to avoid looking weak in the face of American pressure.

“The most important near-term indicator to watch will be if the huge delegation of Chinese officials comes to Washington on May 8, as advised,” wrote Goldman Sachs analysts. “If they’re doing, this might indicate that they think a deal remains fairly likely. In this case, the tariff price could rise when the two sides are unable to come by Thursday, prior to the increase occurs on Friday. Alternately, if the upcoming trip is canceled, an agreement in the coming week would then seem very unlikely.”