Amazon.com Inc. will build new offices in New York City and Arlington, Va., ending months of jockeying between potential locations across the country vying for a $5 billion investment that promises 50,000 high-paying jobs over almost two decades.

Walmart Inc. is narrowing the online price gap with low-cost leader Amazon.com and is beating the world’s biggest e-commerce company on prices for baby products, according to a new study.

Amazon.com’s yearlong search for a second headquarters is nearing an end, people with knowledge of the matter said. One will be the Crystal City area of Arlington, in Northern Virginia, two people said. Another will be Long Island City, in the New York borough of Queens, other people said. An Amazon spokesman declined to comment.

The global transportation services market was estimated at about $5.8 trillion last year, and there is much at stake for ­legacy freight forwarding, logistics and supply-­chain management companies.

With $40 million in new investments announced Sept. 6, Chicago-based e-commerce logistics company ShipBob is eyeing an expansion — starting with a new fulfillment warehouse in Cicero and a push to hire 100 people in the next year.

NEW YORK — Amazon has become the second publicly traded company to be worth $1 trillion, hot on the heels of Apple.

Amazon's announcement last month was a stay of execution, not a reprieve, and it’s only a matter of time before the company reveals plans for a comprehensive logistics network.

Dynamo, a transportation and logistics-oriented venture capital fund based in Chattanooga, Tenn., is launching a Founders Camp for entrepreneurs with ideas for transforming global trade and commerce.

Amazon plans to open an 800,000-square-foot fulfillment center in North Las Vegas, Nev., that will employ more than 1,000 full-time staff. The center will join three Amazon fulfillment facilities in North Las Vegas and Reno that employ more than 3,000 full-time workers.