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Ryan Vlastelica

Ryan Vlastelica

Fortune

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Wall Street’s favorite bet comes undone as chips whipsaw market

The Philadelphia Stock Exchange Semiconductor Index, or SOX, plunged 21% in July for its worst month since October 2008.

02.08.2026 2

Fortune

Ryan Vlastelica

AI wins have Alphabet poised to become world’s biggest company

Google’s parent closed Friday with a market capitalization of $4.8 trillion. Nvidia was below that level on Tuesday, but a three-day rally into the...

10.05.2026 10

Fortune

Ryan Vlastelica

OpenAI goes from stock market savior to burden as AI risks mount

“There’s a growing sense that Alphabet has all the pieces to emerge as the dominant AI model builder.”

08.12.2025 20

Fortune

Ryan Vlastelica

Nvidia breakout puts $4 trillion market value within reach

Nvidia shares have rallied back to a record.

27.06.2025 30

Fortune

Ryan Vlastelica

Meta investors cheer as Zuckerberg doubles down on AI commitment

Elon Musk's ardent backers rushed in to buy the dip—with leverage.

17.06.2025 20

Fortune

Ryan Vlastelica