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More than any of the megacap technology stocks, Amazon.com Inc.’s big-spending ways are coming at the expense of profits, and its shares are being punished as a result.

Transportation companies that serve as a bellwether for the American economy sent up a smoke signal last week.

Same-day data for publicly traded trucking and transportation stocks in the autonomous, truckload, less-than-truckload, package, logistics and leasing categories.

The latest warning sign for U.S. stocks is emerging from a corner of the market that investors closely watch to get a read on the state of the economy and the health of American consumers: Transportation shares.

NEW YORK — Wall Street had its biggest drop in more than a year March 7 as another leap for oil prices threatened to squeeze inflation’s grip on the global economy.

Self-driving technology companies are the latest automotive stocks to become an obsession of retail traders, with firms like Aurora Innovation Inc. surging Nov. 19 on high volume.

Shares of unprofitable food delivery platform DoorDash Inc. surged 86% in their trading debut Dec. 9, in the latest sign of investor exuberance in what already has been a record year for IPOs.

Trevor Milton said he remains committed to his Nikola Corp. holding and doesn’t plan to relinquish his position as its largest shareholder even though a restriction has been lifted, addressing speculation that he could divest of his stake in the company he founded and resigned from.

Oil reclaimed heights not seen since the pandemic shocked markets in the spring, with the start of the U.S. presidential transition and improved vaccine prospects infusing optimism across markets.

Stocks surged around the world and bonds tumbled after a large-scale coronavirus vaccine study delivered the most-promising results in the battle against the worst pandemic in a century.