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Recent proposals from Alphabet Inc., Amazon.com Inc. and Tesla Inc. tell us one thing: Stock splits can spark big rallies as retail traders pile in.

Amazon .com Inc. shares rallied March 28, with the e-commerce giant becoming the first of megacap tech stocks to erase losses for the year.

Orders placed with global e-commerce platforms like Amazon and Walmart may be delayed by virus lockdowns and restrictions in some of China’s key manufacturing hubs, according to an industry body.

Amazon .com Inc. says it has stopped shipping products sold on its retail website to customers based in Russia and cut off access to its video streaming service there.

Amazon .com Inc. is closing all of its physical bookstores, “Amazon 4-Star” locations and mall pop-up kiosks as the world’s largest online retailer narrows its brick-and-mortar push to the grocery sector.

A San Francisco supervisor has introduced legislation that would seek to place an 18-month moratorium on all new parcel delivery services in the city, including Amazon’s proposed 725,000-square foot, last-mile logistics center in Showplace Square.

Velodyne Lidar Inc. shares more than doubled in late trading Feb. 7 after Amazon.com Inc. acquired warrants that could lead to a stake in the auto-sensor maker.

Amazon.com Inc. shares surged 14% on Feb. 4, adding about $191 billion in market value, after investors cheered its fourth-quarter earnings report. The advance was the biggest single-day gain in U.S. stock market history.

Amazon .com Inc. plans to open a clothing store in a Southern California mall later this year, marking the latest foray into brick-and-mortar for the online retailing giant, which already sells more than 10% of all clothes in the U.S.

Amazon.com Inc. employees in Bessemer, Ala., will vote by mail next month in a rerun election on whether to unionize, the National Labor Relations Board announced Jan. 11.