By 1972 institutional investors had developed a consensus around fifty large-cap growth stocks deemed so superior that you could buy them at any price and hold forever — "one-decision" investing. IBM, Xerox, Kodak, Avon, Polaroid, McDonald’s, Coca-Cola, and 43 others traded at 40-90 times earnings while the broader market traded at 15-20x.
The thesis was elegant: these were exceptional franchises with durable competitive advantages. If you paid up for quality, the long-term compounding would justify the premium. Growth at a reasonable price became growth at any price.
The 1973 oil shock ended the era. Rising interest rates made high-multiple stocks acutely vulnerable — when you discount long-duration earnings streams at higher rates, the present value collapses. Polaroid fell 86%. Avon fell 86%. Xerox fell 71%. Even quality companies at excessive prices produce terrible returns. The lesson was documented by Jeremy Siegel’s research in the 1990s, which showed that even the "best" Nifty Fifty names took 20 years to justify their 1972 purchase prices.
The prevailing view before the reckoning
These fifty companies were so exceptional that valuation was irrelevant. The quality of the franchise justified any price because the long-term compounding would overwhelm the entry price. One-decision investing in the best businesses was the only strategy needed.
Entry valuation determines returns even for great businesses
Coca-Cola in 1972 at 48x earnings produced poor returns for 10 years. The same Coca-Cola at 15x earnings in 1982 produced spectacular returns. The business was identical. The entry price was everything.
High multiple stocks are long-duration bonds
Rate sensitivity is the hidden risk in growth investing. When rates rise, P/E multiples compress mechanically regardless of business quality. The Nifty Fifty investors did not price interest rate risk.
Quality and valuation are separate variables
The biggest mistake in growth investing is conflating business quality with investment merit. A great business at the wrong price is a bad investment. A mediocre business at a sufficient discount can be excellent.
Some Nifty Fifty names did eventually justify their prices
Jeremy Siegel showed that buying all 50 at peak 1972 prices returned roughly the S&P 500 over 20 years — once sufficient time had passed. The businesses were mostly real. The prices were not. Time heals excessive valuations in surviving franchises.