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Matt Phillips9/11/25

Tempus AI jumps on FDA clearance of AI-enabled tool to analyze cardiac MRIs

Tempus AI, a midcap medical diagnostics company that’s highlighted a push to incorporate AI technology into its products, surged on Thursday after announcing the FDA had issued a “510(k) clearance” of a new AI-enabled tool to analyze cardiac imagery from MRIs.

A 510(k) clearance — used for devices that are considered relatively low risk — essentially allows a product to be sold in the US.

While the company has never turned a profit, even on an adjusted basis, its sales are growing rapidly and the stock has had a great year, rising more than 160% in 2025.

For more on the company, check out our interview with its CEO, Eric Lefkofsky.

Tempus Receives U.S. FDA Special 510(k) Clearance for Updated Tempus Pixel Device

While the company has never turned a profit, even on an adjusted basis, its sales are growing rapidly and the stock has had a great year, rising more than 160% in 2025.

For more on the company, check out our interview with its CEO, Eric Lefkofsky.

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Markets droop as AI credit fears grow and jobs report looms

The S&P 500, Nasdaq 100, and Russell 2000 all slumped on Monday.

Black Bear with Hand on Head

To AI-nfinity...and beyond!

Deutsche Bank highlights four roadblocks for tech CEOs' obsession: data centers in space

The good news: “there are clearly technical challenges to making this a viable endeavor but these seem to be engineering constraints as opposed to physics,” per Deutsche Bank.

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Matt Phillips4h

Bitcoin-sensitive stocks hammered as crypto declines

Bitcoin-sensitive stocks tumbled Monday, enduring a much steeper drop than the keystone crypto asset itself, which was down nearly 4%, falling below $87,000, as of 12:20 p.m. ET.

Goldman Sachs’ themed basket of bitcoin-sensitive equities was down more than 8%. (It consists of companies tied to bitcoin, either through mining, digital payments, crypto investment, or blockchain technology.) It was one of the worst performers among Goldman’s thematically curated baskets of shares on Monday.

Among the basket’s constituents, miners Cipher Mining, CleanSpark, Hut 8, TeraWulf, and IREN were getting the worst of it.

At midday, the basket was on its way to its worst day since November 24, when bitcoin was also languishing below $90,000 and the broader tech sector was going through a brief downturn related to rising worries about durability of the AI boom.

Among the basket’s constituents, miners Cipher Mining, CleanSpark, Hut 8, TeraWulf, and IREN were getting the worst of it.

At midday, the basket was on its way to its worst day since November 24, when bitcoin was also languishing below $90,000 and the broader tech sector was going through a brief downturn related to rising worries about durability of the AI boom.

GameStop rallies on bullish options activity as Michael Burry teases post

And let’s not sell the artist formerly known as “Best Buy Rilie” short, either.

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Nvidia’s favorite stocks are getting shellacked as AI credit risk spreads

Nvidia’s “House of GPUs” is looking a little wobbly.

Shares of Applied Digital, CoreWeave, and Nebius — three of the four biggest equity positions held by the chip designer as of September 30 — are getting crushed on Monday.

Nvidia owned about $3.6 billion worth of these data center and neocloud stocks (with the overwhelming majority in CoreWeave) per its most recent 13F filing.

The AI credit risk that’s been most talked about in reference to Oracle’s widening credit default swaps spreads is also present in some of these firms, as well.

An Applied Digital bond due in 2030 is trading below $96 for the first time this month. That issuance was made to support data centers where CoreWeave will be the main tenant.

CoreWeave, which earlier this year received warrants enabling it to purchase a large chunk of Applied Digital shares as part of a data center leasing deal, sank last week after announcing a $2 billion convertible note offering that was later upsized.

Of course, it’s not just Nvidia-owned stocks, but the entire data center ecosystem that’s under pressure on Monday. Cipher Mining and IREN are also getting walloped — with Monday’s crypto tumble also likely weighing on these two bitcoin miners turned data center companies.

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