Alina Selyukh

The stock market soared Tuesday on news that the Trump administration is postponing some tariffs on Chinese imports this fall, sparing popular consumer items such as cellphones and laptops until after the Christmas shopping season. It's only a partial reprieve, though. Other Chinese imports will still be hit with a 10% tariff on Sept. 1, as scheduled. The administration reportedly was guided by which products could most easily be obtained outside China. But there were still some head-scratchers on the tariff lists.

The Pentagon is hitting pause on a massive, first-of-its-kind cloud computing contract after President Trump cited critics' accusations of favoritism toward Amazon.

Mark Esper, the new defense secretary, is re-examining the project just weeks before the winner was expected to be announced. Amazon and Microsoft are the finalists for the contract, which is worth as much as $10 billion and will be as long as 10 years. The project is called JEDI, for Joint Enterprise Defense Infrastructure.

Updated at 6:43 p.m. ET

The Justice Department says it's launching a wide-ranging antitrust review of big tech companies. The DOJ didn't name specific firms in its announcement Tuesday but said its inquiry will consider concerns raised about "search, social media, and some retail services online."

It's a case of animal versus vegetable — and the steaks are high.

A growing number of states have been passing laws saying that only foods made of animal flesh should be allowed to carry labels like "meat," "sausage," "jerky," "burger" or "hot dog."

Updated at 3:07 p.m. ET

Does Amazon hurt competition by exploiting data from other sellers in its marketplace? The European Union has opened a formal antitrust investigation into the giant online retailer to answer that question.