Hedge funds face demands to stump up collateral as AI stocks tumble

Scale of losses in recent weeks sparks growing risk aversion on Wall Street

Apple tops $5tn valuation for first time

Tech giant gains due to its lack of huge spending on AI and as investors seek havens from sell-off in chip sector

Imports mute AI's boost to GDP

The AI boom depends on imported hardware, creating a disconnect between the scale of AI investment and how it appears in the government's economic statistics.

AI is only "part" of high U.S. productivity growth, says Stripe economist

Companies are achieving high productivity output because they're better using existing capital, not making major use of AI, writes Stripe's chief economist.

Maybe the chips are down because memory’s too expensive

DRAM, DRAM, DRAM / Did I ruin your plans, plans, plans?

A truly progressive VAT would solve a lot of UK tax problems

Ending exemptions while excluding low-income households would be fairer and bring in far more revenue

AI stock sell-off deepens as investors dump chipmakers

South Korea’s tech-heavy Kospi leads declines in Asia

Spanish Olive Oil Is Far Superior to Italian

Igor Ramírez García-Peralta. Photography by Victor Stonem

Quant Trading ≠ Software Company

Software scales, but alpha decays

Investors snap up bundles of UK properties as housebuilders offer discounts

Bulk buyers win double-digit reductions while cautious consumers stay on sidelines

Three New Habits for the Age of AI

I left my corporate job to start my AI and product design business. Here’s what I had to unlearn.

Nvidia is making investors nervous.

After reports of Nvidia in talks for deals worth more than $750 billion — with OpenAI, among others — insurance on Nvidia’s debt got more expensive. “There’s a fear of financial alchemy driven by opaqueness, off-balance-sheet transactions and intercompany relationships, which could result in credit rating downgrades,” Sal Naro, chief investment officer of Coherence Credit Strategies, told Bloomberg. Nvidia is at the center of many transactions that tie the AI ecosystem together.