TLDR Alphabet shares dropped sharply after Nobel Prize-winning AI researcher John Jumper left Google DeepMind for Anthropic SpaceX continued to slide followingTLDR Alphabet shares dropped sharply after Nobel Prize-winning AI researcher John Jumper left Google DeepMind for Anthropic SpaceX continued to slide following

Today’s Top Stories: Alphabet Selloff, SpaceX Pullback and Micron Rally

2026/06/23 01:36
3 min read
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TLDR

  • Alphabet shares dropped sharply after Nobel Prize-winning AI researcher John Jumper left Google DeepMind for Anthropic
  • SpaceX continued to slide following its record-breaking IPO as investors reassessed the company’s valuation
  • Micron rallied ahead of earnings on strong AI memory chip demand
  • AbbVie announced a $10.9 billion acquisition of Apogee Therapeutics
  • Super Micro Computer rebounded as AI infrastructure enthusiasm returned

Alphabet Takes Its Hardest Hit in Over a Year

Alphabet had one of its worst trading days in more than a year on Monday.

The selloff was triggered by news that John Jumper, a Nobel Prize-winning AI researcher, left Google DeepMind to join rival AI company Anthropic. Investors reacted quickly, sending shares lower on concerns about talent retention.

Today’s Top Stories: Alphabet Selloff, SpaceX Pullback and Micron Rally

The move put a spotlight on how competitive the AI talent market has become. Top researchers are now seen as a core asset in the race to build advanced AI systems.

Alphabet remains a powerful technology company, but the departure raised fresh questions about its ability to hold onto elite talent.

SpaceX Keeps Sliding After Record IPO

SpaceX shares continued to fall after the initial excitement from its historic IPO faded.

The company’s public debut was the largest IPO in history, but shares have pulled back as investors take a more cautious approach to valuation. This kind of cooling-off period after a major IPO is common.

SpaceX still operates across launch services, satellite internet, and defense. Analysts expect the stock to remain volatile while the market works out a long-term price range.

Interest in the company remains high despite the recent dip.

Micron Rallies on AI Chip Demand

Micron pushed higher ahead of its upcoming earnings report.

The memory chip maker has become a key player in the AI buildout. Its high-bandwidth memory chips are used in data centers and AI systems built by cloud providers and tech companies.

Investors are positioning ahead of results they expect to reflect strong demand. Micron’s earnings are closely watched because they can signal the health of the broader AI spending cycle.

The stock has been one of the better performers in the semiconductor space this year.

AbbVie Pays $10.9 Billion for Apogee Therapeutics

AbbVie announced it will acquire Apogee Therapeutics in a deal worth approximately $10.9 billion.

Apogee shares jumped sharply on the news. AbbVie, which makes the blockbuster drug Humira, has been actively looking for new treatments to boost long-term revenue as some of its existing patents approach expiration.

This is one of the largest healthcare deals announced this year. It reflects an ongoing trend of large pharma companies acquiring smaller biotech firms with promising drug pipelines.

Investors will watch to see how the deal fits into AbbVie’s wider strategy going forward.

Super Micro Bounces Back With AI Stocks

Super Micro Computer rallied as investors returned to AI infrastructure names.

The company makes servers and hardware used in high-performance data centers. It has become one of the most watched stocks in the AI supply chain due to its direct exposure to data center growth.

Monday’s rebound suggests renewed confidence in the AI hardware trade. Some investors had pulled back on these names over valuation concerns, but appetite appears to have returned.

Super Micro’s performance on the day tracked closely with broader enthusiasm for AI infrastructure spending.

The post Today’s Top Stories: Alphabet Selloff, SpaceX Pullback and Micron Rally appeared first on CoinCentral.

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