In this episode of Breaking News to Trading Moves, the debate challenges one of the most repeated ideas in investing: that diversification is always wise. The discussion asks whether spreading capital across hundreds of holdings is genuine risk management, or whether it is sometimes fear dressed up as discipline.

The episode opens with a powerful contrast. In engineering, redundancy makes sense. Bridges need backup cables, cars need spare tyres, and insurance protects against uncertainty. But wealth creation may work differently. Charlie Munger argued that broad diversification is often for investors who do not truly understand what they own, while John Bogle and modern portfolio theory argue that most people are better off owning the whole market through low-cost index funds.

Key Points

1. Concentration and the se ...