NEW YORK — Amazon on Feb. 2 reported worse-than-expected profits, but its revenue beat expectations, boosted by sales in North America businesses and the cloud-computing unit AWS.

Amazon violated federal labor law as part of its efforts to resist unionization at two facilities in New York City, a National Labor Relations Board judge ruled.

An Amazon warehouse worker who helped lead a hotly contested union campaign in Bessemer, Ala., said he was abruptly terminated without explanation.

Amazon .com Inc. was among the biggest contributors to the Nasdaq 100 Index’s 4.5% gain for the week ending Jan. 13 as the market regains its appetite for risk.

Amazon.com Inc. is expanding a program that lets Prime subscribers use the company’s speedy delivery service when shopping on other websites.

Amazon.com Inc. is laying off more than 18,000 employees — the biggest reduction in its history — in the latest sign that a tech-industry slump is deepening.

Amazon .com Inc. is creating its first big foothold in Montana with a last-mile shipping delivery facility for the entire state, Gov. Greg Gianforte announced Dec. 16.

Amazon settled European Union antitrust investigations over how the U.S. ecommerce giant allegedly abused rivals’ sales data to unfairly favor its own products and squeeze out other traders on its platform.

Clean Energy Fuels Corp. announced the opening of a renewable natural gas fueling station that will provide an anticipated 1.4 million gallons of the clean fuel annually for Amazon .com Inc. and other truck fleets in the greater Chicago area.

The attorney general for Washington, D.C., is suing Amazon.com Inc., seeking civil penalties for allegedly misleading consumers who thought they were tipping delivery drivers but had the money diverted to cover the couriers’ base pay.