Prof G Markets

This Is How OpenAI Goes Broke — ft. Sebastian Mallaby

What Wall Street Got Wrong About Iran

The collapse of the U.S.-Iran ceasefire has reignited geopolitical instability, driving Brent crude prices toward $80 a barrel and signaling a return to market volatility. Brian Katulis, Senior Fellow at the Middle East Institute, characterizes the situation as "performative diplomacy," noting that the lack of a clear,...

Why The World Is Spending More On War

Global defense spending is surging, driven by heightened geopolitical instability, the ongoing war in Ukraine, and the proliferation of drone technology. Silicon Valley is increasingly integrated into modern warfare, with defense tech companies raising over $19 billion this year to provide AI-driven targeting and data ...

SpaceX Just Got Fast-Tracked Into Your Portfolio

The rapid inclusion of SpaceX into the Nasdaq 100 index highlights the manipulative potential of passive investing, where rule changes facilitate liquidity for insiders rather than serving long-term investors. Portfolio manager Michael Green argues that this shift distorts price discovery, as index funds increasingly p...

OpenAI Wants A Government Bailout

Healthcare is Broken—This Company Wants to Fix It

Tom Lee's Case for S&P 8,000 Has One Big Catch

The AI Trade Just Got A Warning From Meta

Chip Stocks Are On Fire — Will It Last?

Semiconductor stocks have experienced a historic rally, driven primarily by massive earnings growth rather than speculative valuation expansion. While the sector currently constitutes one-fifth of the S&P, the boom is sustained by critical supply bottlenecks in high-bandwidth memory and manufacturing capacity, which ar...

OpenAI Hits Pause On Its IPO

The AI market faces significant uncertainty as OpenAI reportedly delays its IPO until 2027, while rival Anthropic appears better positioned for a potential public debut. These delays highlight the chaotic, startup-like nature of AI labs, which currently lack the mature financial processes required for public markets. M...

This Market Is Directionless (And That Should Scare You)

The first half of 2026 has been defined by a volatile "nervous top" in global markets, driven by the AI infrastructure boom and persistent geopolitical instability. Market leadership has shifted decisively from the "Magnificent Seven" tech giants toward silicon and memory chip manufacturers, reflecting a rational pivot...

AI Is Dumber Than Investors Think — ft. Gary Marcus

The current AI boom relies on large language models that function as next-token predictors rather than true reasoning engines, resulting in persistent hallucinations and an inability to follow instructions reliably. This technological limitation is compounded by a widespread "over-attribution" of intelligence, where in...

America Finally Has a Housing Plan. Trump Is Blocking It.

SpaceX Stock Just Crashed — Here’s Why

Why Britain’s Economy Has Been Stuck For 20 Years

No, We Do Not Have An Iran Deal

Euphoria Has Taken Over The Markets — ft. Barry Ritholtz

Snap’s “Crucible Moment” Flops On Wall Street

OpenAI’s Financials Leaked — The Losses Are Staggering

OpenAI’s recently leaked financials reveal a precarious business model, with $34 billion in spending against $13 billion in revenue, resulting in a $38.5 billion net loss. This massive capital burn, coupled with aggressive marketing expenditures, raises significant questions about the sustainability of current AI devel...

The Iran “Deal” Isn’t What It Seems