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Dexcom on Tuesday announced an artificial intelligence feature for its Stelo continuous glucose monitor that gives users a personalized look into how meals, sleep and activity impact their glucose levels. It’s the first iteration of a new generative AI platform that the company has been building with Google Cloud

Stelo is an over-the-counter CGM that pokes through the skin to measure real-time blood sugar levels. The sensor launched in August and can be used by any adult who doesn’t take insulin. 

The report reflects Dexcom’s effort to make Stelo more personalized and engaging for consumers as it works to penetrate a new market. 

“The No. 1 feedback we get is users want to see more,” Jake Leach, chief operating officer at Dexcom, told CNBC in an interview. “They’re making an investment and wearing the product, and they want to be able to take the most advantage of all the data that they’re generating.”

Dexcom is using Google’s Gemini models and its Vertex AI platform as the foundation for its new AI offering. Vertex AI allows developers to build applications that synthesize different types of data, which can be notoriously challenging in health care. 

Leach said Dexcom is also exploring how its generative AI platform can be used across its other CGM products, but the company is proceeding extra carefully since patients rely on them to prevent medical emergencies. 

“It really felt like Stelo was the right place to do this for the first time,” he said.

An existing insights report has already been available to users within the Stelo app, but it followed a more standard template format each week. Dexcom believes the AI-generated report will be more valuable to users since it’s personalized, Leach said. 

If there’s a week where a user is not moving enough after meals, for instance, the report would include relevant tips and educational materials to help. 

Stelo’s AI reports don’t give users medical advice, though Dexcom has been using an AI framework from the U.S. Food and Drug Administration to help guide the feature’s development, Leach said. The FDA approved Stelo in March. 

Eventually, Dexcom wants to use its generative AI platform to deliver real-time feedback to users instead of just weekly reports. The company is also exploring how the technology could act as a predictive indicator for potential problems, much like a check engine light on a car. 

“It gives you a sense for what could be going on, and recommendations of where you might want to go to seek more advice,” Chris Sakalosky, vice president of strategic industries for Google Cloud, told CNBC in an interview.   

Dexcom’s updated weekly report began rolling out to Stelo users this week.

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Bumble founder Whitney Wolfe Herd to return as CEO

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Bumble founder Whitney Wolfe Herd to return as CEO

Whitney Wolfe Herd speaks onstage in Dana Point, California.

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Bumble founder Whitney Wolfe Herd will return to the company as CEO, a little more than a year after she stepped down from the role, the company announced Friday.

The company’s current CEO Lidiane Jones has resigned for “personal reasons,” Bumble said. Jones previously served as the CEO of Salesforce’s cloud-based messaging platform Slack. She will continue to helm Bumble until Wolfe Herd takes over in mid-March.

“I am deeply grateful for the transformative work Lidiane has led during such a pivotal time for Bumble, and her leadership has been instrumental in building a strong foundation for our future,” Wolfe Herd said in a statement.

Bumble is a dating app that encourages women to make the first move. Wolfe Herd founded the company in 2014 in an effort to foster a safer online dating community. Bumble went public through a successful initial public offering in 2021, but its market cap has tumbled from its debut of $7.7 billion to around $847 million.

The company said Friday that it expects to report total revenue and Bumble App revenue above the midpoint of its provided outlook ranges for its fourth quarter, and adjusted EBITDA within the disclosed outlook range.

Shares of the company popped 6% in premarket trading on Friday.

In addition to the CEO transition, Bumble said Ann Mather, who serves as a lead director at the company, will become chair of the board of directors.

“We are fortunate to have a passionate and engaged founder in Whitney to drive Bumble’s vision as the Company accelerates the execution of its strategy,” Mather said in a statement.

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Bitcoin gains as Trump reportedly plans crypto executive order

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Bitcoin gains as Trump reportedly plans crypto executive order

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Bitcoin rejoined the crypto rally on Friday amid reports that President-elect Donald Trump could release an executive order making crypto a national priority as soon as day 1 of his new term.

The price of the flagship cryptocurrency was last higher by more than 2% at $103,174.90, according to Coin Metrics. The broader crypto market, as measured by the CoinDesk 20 index, was up another 1%, after a 4% increase Thursday.

Shares of exchange operators Coinbase and Robinhood advanced about 5% each. Trading activity in small cap cryptocurrencies benefits trading platforms. Appetite for smaller cap, higher risk coins has grown ahead of Trump’s inauguration, with litecoin surging 26% in the past two days.

The moves follow a Bloomberg report late Thursday that Trump could create the crypto advisory council he previously promised, giving the industry a voice within his administration. A bitcoin stockpile is part of discussions about a possible executive order that would cover several areas of crypto policy, the New York Times reported the same day.

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Bitcoin trades above $100,000 ahead of Trump’s inauguration

Coins and crypto projects outside of bitcoin arguably stand to gain more from clear and supportive policy and regulation as they’ve been more of a target of SEC lawsuits and alleged banking discrimination under the Biden administration. Some investors say bitcoin could see a rocket ship rally, however, if a national stockpile or reserve is established.

Bitcoin has been trading closely with stocks so far this year. It’s been in consolidation mode since late December, when Federal Reserve chair Jerome Powell sounded an inflation alarm that subsided this week after two cool December inflation reports. Bitcoin ETFs have seen more than $1 billion in inflows in the past two days.

Investors expect any announcements from the incoming administration next week to send bitcoin higher – potentially to a new record. Heightened expectations come after warnings from Wall Street this month that although having a pro-crypto Congress and White House in 2025 is sure to be supportive for innovation in the industry and asset class, it could take a while before the market feels the impact.

“The new administration and a new SEC chairman opens the door for new opportunity in cryptocurrency innovation,” JPMorgan analyst Kenneth Worthington said in a note this week. However, he added, “we don’t see a next wave of cryptocurrency [exchange-traded product] launches as being meaningful for the crypto ecosystem given much smaller market capitalization of other tokens and far lower investor interest.”

Bitcoin’s record is $108,327.01, from Dec. 17. It’s up 9% in 2025.

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Why tech companies like Amazon, Google and TSMC are flocking to Phoenix

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Why tech companies like Amazon, Google and TSMC are flocking to Phoenix

Tech might not be the first thing that comes to mind when one pictures Phoenix. The city is better known for its golf courses, Major League Baseball’s Spring Training, retirement appeal and scorching heat. 

But its growth into an innovation hub has been quietly playing out over several decades. Arizona’s largest city has, for a variety of reasons, become the epicenter for semiconductor manufacturing, and testing self-driving cars and drones.

“If we look at cities that really do end up becoming these, you know, important technology hubs, there are really four things that we usually see, and Phoenix really has all of them going,” said Anne Hoecker, global head of technology at Bain Global. “The first is a favorable business environment. The second really is that ecosystem of other companies. The next is really close proximity to a university that has a strong engineering program. And then finally it is that availability of talent.”

Technology companies have flocked to the city to capitalize on those perks. Taiwan Semiconductor Manufacturing Company, or TSMC, is among the biggest.

TSMC makes the most advanced chips in the world, and has pledged to invest $65 billion in the greater Phoenix area. The chipmaker initially held discussions with the city of Phoenix in 2016, when it was looking to grow its advanced chip manufacturing beyond Taiwan. In order to secure the bid, the Greater Phoenix Economic Council spent three years conceptualizing a science and technology park to meet the needs of the company. The project, once complete, expects to bring in about 62,000 jobs surrounding and including TSMC.

“They’re basically duplicating the science park concept that was pioneered in Taiwan,” said Rick Cassidy, chairman of TSMC Arizona. “It solves lots of problems for our smaller suppliers. They can actually rent space and just plug in.”

Self-driving cars are another hallmark of the city’s tech scene. Uber, Cruise and Alphabet‘s Waymo have all tested autonomous vehicles in the city. The infrastructure in Phoenix, with its gridded streets and consistent weather, made it an “optimal” place to roll these out, according to Bain’s Hoecker.

Arizona’s policy has been welcoming to self-driving technology. Former Arizona Governor Doug Ducey enacted several executive orders to reduce barriers for autonomous testing. Waymo began testing in Phoenix in 2017 and is the biggest player in the market. The company’s robotaxi service now operates across 315 square miles in the city.

Drones have been another technology putting the city on the map. In November, Amazon received regulatory approval to launch its Prime Air drone program in Tolleson, a suburb in west Phoenix. The plan is to scale the program to 500 million deliveries per year, according to Amazon. The company says thousands of packages have been delivered so far. 

“It’s about scaling around the U.S. and around the world, said David Carbon, vice president and general manager of Amazon Prime Air, adding that more is coming in 2025. “This is just the beginning.”

Watch the video as CNBC’s Kate Rooney gets a behind-the-scenes look at Amazon’s cutting-edge drone operation and explores how Phoenix became a hot spot for tech.

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