Alphabet shares fell nearly 6% on Monday after senior Google DeepMind researcher John Jumper and Google engineering VP Noam Shazeer announced departures for rivals, highlighting mounting AI talent competition.
Alphabet shares fell nearly 6% in midday trading on Monday after two senior researchers announced departures from the company within days of each other, rattling investors already watching closely for signs of talent attrition in the competitive artificial intelligence sector.
The selloff came after John Jumper, a senior research scientist at Google DeepMind, said he would leave the company. His exit followed a separate announcement by Noam Shazeer, vice president of engineering at Google, who said he was joining OpenAI.
The back-to-back departures underscored the intensity of the recruiting war playing out across AI labs, with leading researchers commanding significant leverage as companies race to staff frontier model development.
Alphabet's slide was among the largest single-day moves in the broader market on Monday, which saw a range of notable swings across sectors.
Salesforce continued a prolonged decline, falling more than 2% and putting the software provider on pace for a 14th consecutive losing session. The company has shed almost 30% over those 14 trading days and is down nearly 44% in 2026, as concerns mount that AI tools could erode the business models of traditional enterprise software firms.
On the other end of the ledger, Super Micro Computer surged almost 14% after announcing delivery of its Data Center Building Block Solutions Blueprint built on Nvidia's Vera Rubin NVL4 platform, a product aimed at accelerating AI infrastructure for scientific research.
Getty Images soared 115% — more than doubling — after the company announced an agreement with OpenAI on Sunday under which Getty's content will appear on OpenAI's search product and ChatGPT.
Apogee Therapeutics jumped almost 47% after AbbVie announced a deal to acquire the biotechnology company for $135.11 per share in cash, a transaction valued at $10.9 billion. The price represents a 49% premium to Apogee's Thursday closing price. AbbVie said the deal would accelerate its presence in the respiratory space, and its shares rose about 7% on the news.
Building materials maker Arcosa added 7% after rival CRH announced it would acquire the company for $150 per share in cash, or $8.5 billion — a 10% premium to Thursday's close. CRH said Arcosa's construction products business would complement its existing portfolio.
SpaceX shares fell more than 10% in their sixth trading session on the Nasdaq. The stock is down roughly 18% since its closing high last Tuesday, though it remains more than 20% above its $135 IPO price.
CoreWeave lost nearly 9% after the cloud computing company disclosed late last week that several executives sold shares. CEO Michael Intrator sold holdings worth more than $35 million pursuant to a 10b5-1 trading plan, according to a filing with the Securities and Exchange Commission.
Micron Technology rose nearly 6% after receiving two price target increases: Bernstein raised its forecast to $1,300 per share, while Needham hiked its outlook to $1,550. Memory sector peers Seagate Technology and Sandisk rose about 1% and 6%, respectively.
Chevron edged up about 1% after announcing a 20-year agreement to supply natural gas to a Microsoft data center in West Texas, a facility called "Project Kirby" estimated to consume 2.7 gigawatts of electricity, with power delivery set to begin in 2028.
Alphabet's dual researcher losses signal a broader dynamic that will be closely watched in the coming weeks: whether the company can stem a talent drain at a moment when its standing at the center of AI research is under more competitive pressure than at any point in the company's recent history.
Jay Goldberg is a staff writer at TechEchelon covering technology, markets, and policy. He files the breaking news and deal coverage that move the publication's core desks.
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