Stock markets are more efficient than art auctions, but still not perfect

Billionaire money manager Cliff Asness agrees stocks are expensive but using the ‘B’ word is premature

Between January 20th and September 30th, a simple strategy of betting against Trump acting would have earned a positive return

Once a laggard among US tech giants, shares have surged more than 50% since April

While weekly user numbers continue to climb, the number willing to pay for the technology is levelling off

With a market capitalisation of €4.24bn, EasyJet trades at less than half its pre-Covid price and a seventh of Ryanair’s

History has been harsher on ‘sideline-sitters’ than on disciplined investors who resist temptation to jump in and out of the market

Global debt pile and weaponisation of the dollar give ‘great debasement’ thesis some sparkle, but story dulls on inspection

The study’s advice is simple: judge professionals by their record, not their rhetoric

Concentration at the top is ‘extreme’, as the five largest S&P 500 stocks account for more than 25% of index’s value

Investors must frequently calculate notional gains and pay tax on profits they haven’t realised

Obvious risk is if ChatGPT growth falters, mutual benefit could flip into mutual impairment

Information flows more efficiently in democracies, including bad ideas, particularly when money is involved

Chinese car maker’s overseas sales more than doubled in the first half of 2025, overtaking Tesla in Europe for the first time

Proposal has resurfaced just as recent earnings reports from listed companies have begun to expose the costs of his trade wars