Today: 20 May 2026
AI Stocks on a Rollercoaster: Mega-Deals, Soaring Valuations & Bubble Jitters (Sept 25–26 Roundup)

AI Stocks on a Rollercoaster: Mega-Deals, Soaring Valuations & Bubble Jitters (Sept 25–26 Roundup)

Key Facts

  • Nvidia’s $100B AI Power Play: Chipmaker Nvidia announced plans to invest up to $100 billion in OpenAI (maker of ChatGPT), supplying it with advanced chips . The blockbuster partnership underscores Nvidia’s dominance in AI – analysts estimate each gigawatt of AI data center capacity can mean ~$50 billion in revenue, making this deal potentially worth $500 billion in future sales . Nvidia’s stock initially jumped on the news, buoying its valuation to record highs, though some gains faded amid broader tech profit-taking mid-week.
  • Oracle’s Cloud Bonanza – and Pullback: Enterprise giant Oracle stunned the market by snagging one of the largest cloud contracts ever: OpenAI is expected to buy $300 billion of cloud capacity from Oracle over ~5 years . Oracle is also in talks with Meta on a separate $20 billion AI cloud deal . These deals sent Oracle’s backlog of cloud orders soaring to $455 billion, prompting Oracle to raise $18 billion in debt to build data centers . Oracle’s stock hit multi-year highs on the AI euphoria, but has since slid ~5% on Sept. 25 amid investor profit-taking and concerns over its heavy spending and debt .
  • Market Jitters Hit AI High-Flyers: After a meteoric 2023–2024 run, AI-focused stocks showed signs of cooling. Major indexes Nasdaq and S&P 500 closed down ~0.5% on Sept. 25 – the third straight decline after hitting record highs earlier in the week investopedia.com. Investors are growing wary of lofty valuations: even as hyperscalers like Microsoft, Alphabet (Google) and Amazon boost capital spending 62% this year on AI data centers reuters.com, the Fed Chair warned tech equity prices appear “fairly highly valued” nasdaq.com nasdaq.com. Notably, Oracle fell 5.6% Thursday investopedia.com, Tesla (touted for its self-driving AI) sank over 4%, and Nvidia and Micron dropped around 1–3% amid a broader tech pullback nasdaq.com investopedia.com. AMD held up better (even rising slightly) as it touts new AI chip traction, but it too faces skepticism over high inventory levels and a 41× P/E ratio www.ainvest.com

A technology and finance expert writing for TS2.tech. He analyzes developments in satellites, telecommunications, and artificial intelligence, with a focus on their impact on global markets. Author of industry reports and market commentary, often cited in tech and business media. Passionate about innovation and the digital economy.

Stock Market Today

  • Watches of Switzerland Posts Record £1.83 Billion Revenue as US Becomes Leading Market
    May 20, 2026, 1:28 PM EDT. Watches of Switzerland Group plc reported a record £1.83 billion in full-year revenue for FY26, up 13% at constant currency. Adjusted EBIT is forecast between £152 million and £155 million, surpassing prior guidance and boosting shares over 15% to £609. The US market became the group's largest, with revenue hitting $1.24 billion (£927 million), surpassing the UK and Europe combined at £901 million. CEO Brian Duffy credited ultra-wealthy American consumers and strong luxury watch and jewellery sales, with jewellery growing 18% to £240 million. Pre-owned watches grew 22%, and ecommerce revenue rose 21%. The company invested £67 million in retail expansion, including new showrooms. Net debt declined to £57 million. Geopolitical risks from Swiss import tariffs and Middle East conflicts are monitored but currently have limited impact.

Latest articles

Grab shares edge lower after Superbank shift

Grab shares edge lower after Superbank shift

20 May 2026
Grab Holdings shares fell 1% to $3.465 on Wednesday, extending a year-to-date drop of over 30%, after announcing it will consolidate Indonesia’s Superbank into its accounts. The move gives Grab majority control of the digital bank, which has over 6 million customers and 24 trillion rupiah in assets. Grab’s Q1 revenue rose 24% to $955 million, but analysts trimmed price targets despite maintaining positive ratings. Competitor GoTo posted its first quarterly net profit in April.
Super Micro Stock Gains Almost 10% With SMCI Up in AI-Server Rally

Super Micro Stock Gains Almost 10% With SMCI Up in AI-Server Rally

20 May 2026
Super Micro Computer shares rose 9.3% to $33.40 midday Wednesday, outpacing Nvidia and other AI hardware stocks ahead of Nvidia’s earnings. The company recently reported fiscal Q3 sales of $10.2 billion, missing estimates, but issued a stronger-than-expected Q4 forecast. Senior sales executive Don Clegg retired May 15 and will consult for six months. Wall Street indexes climbed as chip stocks rallied.
OpenAI IPO Filing Could Come Soon as ChatGPT Parent Moves Fast Toward Market Debut

OpenAI IPO Filing Could Come Soon as ChatGPT Parent Moves Fast Toward Market Debut

20 May 2026
OpenAI is preparing to file confidentially for an initial public offering as soon as this week, according to the Wall Street Journal and Reuters. The company is working with Goldman Sachs and Morgan Stanley on a draft prospectus and is targeting a possible public debut as early as September. OpenAI could seek a valuation of up to $1 trillion. The move comes as rivals Anthropic and SpaceX also weigh public listings.
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