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Here's your afternoon T&B Tech Minute for Thursday, May 14th.

I'm Julie Chang for the Wall Street Journal.

An update to this morning.

Shares of chipmaker's Cereber's systems surged nearly 70% in their NASDAQ debut, marking the year's largest IPO. The excitement reflects investor fervor over AI. Chip stocks have rallied in recent weeks driving major stock indexes to new

records. And it's likely just the beginning for big IPOs. AI giants, OpenAI, and Anthropic are both eyeing

offerings in the second half of the year. And SpaceX, which recently acquired XAI, is planning a June

debut. All three are expected to raise

even more money than Cerebras than their IPOs. We exclusively report that security researchers

say they discovered a new way of circumventing Apple's state-of-the-art security technology.

Researchers with Caliph, Apollo Alto Base Security

Research Company, say they found software issues in Apple's desktop operating system by using

techniques from Anthropics Mythos AI. MacOS has historically been a tough target for hackers.

Researchers say they were able to corrupt max memory and gain access to

parts of the device that should be inaccessible. Apple is reviewing the Caliph report to validate its

findings. The researchers plan to release details of their attack once Apple has patched the underlying

...