Jeff Bezos' Amazon Just Raised Its AI Spending Target to $220 Billion for 2026. Here's What That Capex Hike Means for Investors.

Amazon (NASDAQ: AMZN) is again ramping up its artificial intelligence (AI) spending. The tech giant told investors that it now expects to spend $220 billion in 2026 -- $20 billion more than its prior capex plan -- with higher memory costs cited as a reason for the increase.

That news came as part of an earnings report that saw Amazon break out of a sluggish trance. It's now up by more than 10% year to date and is outperforming the S&P 500, but will that spike last? Here's how this $220 billion capital expenditure commitment affects shareholders.

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Higher costs are translating into additional sales growth

Higher capex can cut into a company's profit margins, but that isn't the case if revenue growth outpaces capex growth. That has been the case for Amazon. In the second quarter, it delivered 20% year-over-year revenue growth, a result driven in large part by Amazon Web Services (AWS) hitting its highest growth rate in more than four years.

Its cloud platform has seen meaningful revenue growth acceleration as AI demand heats up. While investors certainly wish Amazon didn't have to deal with rising memory chip costs, its expenditures are yielding tangible returns.

CEO Andy Jassy also touted how its AI and chips businesses have both exceeded $25 billion annual revenue run rates. Even with rising costs, operating income came to $27.5 billion in Q2, a 43.2% year-over-year increase. AWS did most of the lifting -- its operating income surged from $10.2 billion in the prior-year period to $16.6 billion.

These numbers should continue to climb as Amazon expands its cloud capacity. If necessary, Amazon can also pass some of its costs onto customers. Furthermore, customers may have to upgrade their plans as their AI needs evolve.

High capital expenditures increase the barriers to entry for competitors

Although $220 billion is a lot of money to spend, it also highlights how difficult it is to compete with Amazon and its nearest peers. More than 60% of the cloud computing market is controlled by Amazon, Microsoft (NASDAQ: MSFT), and Alphabet (NASDAQ: GOOG) (NASDAQ: GOOGL).

Those three hyperscalers' cloud platforms are heavily competing with each other. Other companies are also vying for market share, but they are mostly competing for scraps. Oracle (NYSE: ORCL) is in fourth place with a 4% market share, making it less than one-third the size of Google Cloud.

Amazon still has a comfortable lead over Microsoft and Google in the cloud industry. This type of insulation explains why AWS' revenue and operating income have been surging amid the AI build-out. Only a small number of companies can fulfill enterprise demand, and AWS has emerged as the most reliable option.

Higher capex will reconfirm AWS' leading position and widen the gap between competitors, essentially creating a triopoly between Amazon, Microsoft, and Google. That setup will give all three companies more pricing power as they continue to invest in cloud capacity.

Marc Guberti has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Alphabet, Amazon, Microsoft, and Oracle. The Motley Fool has a disclosure policy.