OpenAI's CEO wrote a post about his mistakes, AI criticism and "Shakespearean dramas" in the industry after his home was attacked 

"The ring of power pushes insanity." Altman responds to accusations of lying after attack

Palantir Technologies Inc.

At the end of 2025, an investor in the "Downgrade Game" has bet big on Palantir's stock dropping

Cult shortstop Burry: "Anthropic has left Palantir out of business in the AI market"

The Walt Disney Company

US President Donald Trump has ramped up pressure on NATO and revisited the Greenland issue amid disagreements with allies over war with Iran, while highlighting the fragility of a truce in the Middle East. OpenAI is gearing up for an IPO with retail investors and a massive infrastructure investment. On these and other topics - in our review of key events for the morning of April 9.

Top story for this morning: Trump pressures NATO, Anthropic denied lifting Pentagon sanctions

Alphabet Inc.

Amazon.com, Inc.

Apple Inc.

Microsoft Corporation

US President Donald Trump <a href="https://oninvest.com/article/ssa-i-iran-soglasilis-na-dvuhnedel-noe-peremirie-cena-nefti-wti-ruhnula-na-16">agreed to delay</a> strikes on Iran for two weeks on the condition that the Strait of Hormuz be opened, causing prices to fall. Anthropic announced a partnership with major IT companies to defend against AI cyberattacks and unveiled a model that identifies thousands of vulnerabilities. These and other topics - in our review of key events by the morning of April 8.

Anthropic overtakes OpenAI in key financial metric - Jefferies

Billionaire Elon Musk is seeking the firing of OpenAI CEO Sam Altman and company president Greg Brockman as part of a lawsuit against the ChatGPT developer's conversion to a for-profit entity that is expected to go to trial as early as the end of this month, CNBC <a href="https://www.cnbc.com/2026/04/07/elon-musk-seeks-ouster-of-openai-ceo-sam-altman-as-part-of-lawsuit.html">writes.</a>

Elon Musk is seeking in court to have OpenAI CEO Sam Altman suspended

A ChatGPT developer presented his ideas on how to deal with the devastating effects of artificial intelligence adoption

The four-day workweek and the robot tax: OpenAI's rules of AI capitalism

NVIDIA Corporation

Coinbase Global, Inc.

Rheinmetall AG

ASML Holding N.V.

Super Micro Computer, Inc.

Celestica Inc.

Nu Holdings Ltd.

Five days before the war with Iran, I <a href="https://oninvest.com/article/a-dala-trem-cat-botam-ii-eur500-dla-investicij-vot-cto-oni-sdelali-s-moimi-den-gami">tasked</a> three AI chatbots to invest €500 for a month at my maximum return. All three bots warned me that investing for that long was highly speculative. Besides, neither they nor I were prepared for the war in the Middle East. As a result, all portfolios went into negative territory.

ChatGPT, Claude and DeepSeek invested my €500. No one made any money, but they all explained their failures in different ways

Sam Altman's strategy or Dario Amodei's plan: what an investor should bet on

Altman's strategy or Amodea's plan: what to bet on for the investor

The CFO is worried about the startup's unpreparedness for listing, among other concerns

OpenAI's leadership is at odds over an IPO in 2026 - The Information

The securities of both startups look expensive and investing in them requires caution, according to Seeking Alpha analysts

"Unique proposition: OpenAI or Anthropic - which is better for the investor?

HMH Holding Inc. Class A Common Stock

SpaceX has applied for a listing in time to go public in time for Elon Musk's birthday and expects to be valued at more than $2 trillion. European tank maker Leopard 2 and Leclerc plans to raise up to €5 billion this summer. Professional investors lost interest in OpenAI shares in the run-up to the offering, seeing Anthropic as an alternative. The main IPO market events of the week are in our selection.

Open AI