Walmart Inc (NYSE: WMT) didn't declare a tech war on Amazon.com Inc (NASDAQ: AMZN) this quarter — but its third quarter earnings call made something very clear: the world's largest retailer is no longer playing defense.

Amazon's mass layoffs announced last month hit engineers the hardest, according to state filings. Nearly 40% of the roughly 4,700 positions eliminated across Washington, New York, New Jersey and California were engineering jobs.

Amazon ( NASDAQ:AMZN ) is poised to surpass Walmart ( NYSE:WMT ) as the world's largest company by annual revenue this year.

CNBC's MacKenzie Sigalos reports on the impact of Amazon's job cuts.

DoorDash's rapid order growth stands out, but Amazon's faster delivery expansion and stronger earnings momentum make it the more compelling pick.

Mega-cap growth stocks have been some of the top performers in the stock market. The Roundhill Magnificent Seven ETF (BATS:MAGS) contains the seven largest publicly traded corporations, and that fund has regularly outperformed the S&P 500 since its inception.

Shares of Amazon are back in the red for the year, but a further AWS reacceleration could change their fortune in 2026.

November has been another "tech wreck" month for the markets. At the time of this article, the S&P 500 is down about 2% since Nov.1.

Amazon.com Inc. (NASDAQ: AMZN) has been one of the stock market's biggest success stories ever.

Nvidia's Blackwell GPU sales are “off the charts” according to CEO Jensen Huang, but analysts see fast growth for custom AI chips, known as ASICs. These smaller, cheaper, more narrowly focused AI chips are being designed in-house by Google, Amazon, Meta, Microsoft and OpenAI