Big Tech and the AI investment boom in underwater cables

Over 95% of international data and voice call traffic travels through nearly a million miles of underwater communication cables. These cables carry government communications, financial transactions, email, video calls and streaming around the world. The first commercial telecommunication subsea cable was used for telegraphs and was laid across the English Channel between Dover, England and…

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Smart long-term bet or short-term risk?

In this Club Check-in, CNBC’s Paulina Likos and Zev Fima break down big tech’s massive artificial intelligence spending spree — debating whether these billion-dollar bets will drive long-term cost savings or weigh on near-term returns. Mega-cap tech companies are shelling out billions of dollars to build out AI infrastructure. The big question we’re asking is…

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‘Buckle up, we’re in for a volatile ride’

Tan Su Shan is the CEO and director of DBS Group. Bloomberg | Bloomberg | Getty Images With valuations in the U.S. stock market becoming increasingly stretched, the chief executive of Southeast Asia’s largest bank is warning investors to expect turbulence ahead. “We’ve seen a lot of volatility in the markets. It could be equities,…

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AMD Q3 earnings report 2025

AMD CEO Lisa Su speaks at a Senate Commerce, Science, and Transportation Committee hearing in Washington on May 8, 2025. The leaders of some of the biggest technology and artificial intelligence companies will go to Congress on Thursday with a wish list of sorts that at its top has doing away with regulation they say…

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