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The Trump administration has reportedly reached a partial trade agreement with China ahead of planned tariff escalations.

It was unclear if negotiators resolved issues at the heart of a dispute that has roiled both of the largest economies.

China agreed to increase agricultural purchases and roll back some tariffs as part of the agreement, according to Bloomberg.

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The US reached a limited trade agreement with China on Friday that would pave the way for resolutions on broader issues later in the year, temporarily defusing a bitter dispute that has roiled the world's largest economies.

"We've come to a very substantial phase one deal," President Donald Trump told reporters in the Oval Office, adding that it had not yet been written.

Following two days of negotiations, the Trump administration said it would hold off on scheduled escalations that would have raised tariff rates on Chinese products to as high as 30% next week. China pledged to increase American agricultural purchases and make changes to rules around its currency.

The agreement also included provisions aimed to protect American intellectual property and technology. But it was not immediately clear whether it would address other Chinese practices identified in a Section 301 investigation, which would require major reforms to the way the communist government manages its economy.

"The structural issues were never appropriate for bilateral talks and these should be moved to a broader arena," said Mary Lovely, a trade scholar at the Peterson Institute for International Economics. "US trade barriers alone cannot stop the effect on world prices stemming from Chinese subsidies and oversupply."

US stock indexes soared on the news. The two sides have taken tit-for-tat punitive measures against each other over the past year and a half, including through a near-steady stream of steep duties on thousands of products.

With American businesses and consumers caught in the crossfire of the trade dispute, bipartisan lawmakers were likely to criticize any deal seen as weak. The consequences of tariffs have grown increasingly evident across the country, raising costs and disrupting supply chains in agriculture and manufacturing.

Trump has long argued any economic pain from protectionism would be worth it in order to win concessions on rules on structural issues including intellectual property theft, large-scale subsidies and the forced transfer of foreign technology.

"The Trump administration has made a huge deal about IP theft and tech transfers," said Judith Allison Lee, an international trade lawyer at Gibson Dunn. "So if the agreement says nothing about that, it would be hard for the administration to spin it into something big."

The apparent truce with China came as concerns continued to mount over a recently-launched impeachment inquiry into Trump. The president has repeatedly asserted that a strong economy could undermine any complaints that he used his office to solicit foreign assistance for his own political gains.

"How do you impeach a President who has created the greatest Economy in the history of our Country?" he wrote on Twitter late last month.

This story is developing. Please check back for updates.

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