Most of an index's returns come from a tiny fraction of its component stocks (e.g., 7% of the Russell 3000). The goal of indexing isn't just diversification; it's a strategy to ensure you own the unpredictable "tail-event" winners, like the next Amazon, that are nearly impossible to identify in advance.

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Contrary to popular belief, the market may be getting less efficient. The dominance of indexing, quant funds, and multi-manager pods—all with short time horizons—creates dislocations. This leaves opportunities for long-term investors to buy valuable assets that are neglected because their path to value creation is uncertain.

Contrary to the common advice of full index fund allocation for beginners, Jim Cramer advocates for a hybrid approach. He suggests placing half of savings in diversified index funds for their defensive characteristics, but dedicating the other half to a concentrated portfolio of five individual stocks plus a hedge like gold or Bitcoin, arguing this is the 'real path to riches.'

Contrary to the belief that number two players can be viable, most tech markets are winner-take-all. The market leader captures the vast majority of economic value, making investments in second or third-place companies extremely risky.

Today's market is more fragile than during the dot-com bubble because value is even more concentrated in a few tech giants. Ten companies now represent 40% of the S&P 500. This hyper-concentration means the failure of a single company or trend (like AI) doesn't just impact a sector; it threatens the entire global economy, removing all robustness from the system.

Acknowledging venture capital's power-law returns makes winner-picking nearly impossible. Vested's quantitative model doesn't try. Instead, it identifies the top quintile of all startups to create a high-potential "pond." The strategy is then to achieve broad diversification within this pre-qualified group, ensuring they capture the eventual outliers.

Cramer advises against 100% diversification into index funds. He suggests putting 50% of a portfolio in an S&P 500 fund as a safety net, while using the other 50% to invest in a small number of deeply researched stocks that you have a personal edge or conviction on.

The underperformance of active managers in the last decade wasn't just due to the rise of indexing. The historic run of a few mega-cap tech stocks created a market-cap-weighted index that was statistically almost impossible to beat without owning those specific names, leading to lower active share and alpha dispersion.

The financial industry systematically funnels average investors into index funds not just for efficiency, but from a belief that 'mom and pop savers are considered too stupid to handle their own money.' This creates a system where the wealthy receive personalized stock advice and white-glove treatment, while smaller investors get a generic, low-effort solution that limits their potential wealth.

Cramer advises investors to avoid the 300+ "normal" stocks in the S&P 500 (like banks or airlines) whose performance is tied to economic cycles. These encourage trying to time the market. Instead, he says to focus on companies with secular growth drivers that are independent of the economy.

The majority of venture capital funds fail to return capital, with a 60% loss-making base rate. This highlights that VC is a power-law-driven asset class. The key to success is not picking consistently good funds, but ensuring access to the tiny fraction of funds that generate extraordinary, outlier returns.

Index Funds Guarantee Ownership of the Few Stocks Driving All Returns | RiffOn