Nifty Fifty

In the United States, the term Nifty Fifty was an informal designation for a group of roughly fifty large-cap stocks on the New York Stock Exchange in the 1960s and 1970s that were widely regarded as solid buy and hold growth stocks, or "Blue-chip" stocks. These fifty stocks are credited by historians with propelling the bull market of the early 1970s, while their subsequent crash and underperformance through the early 1980s are an example of what may occur following a period during which many investors ignore fundamental stock valuation metrics, to instead make decisions on popular sentiment.^[1] Roughly half of the Nifty Fifty have since recovered and are solid performers, although a few are now defunct or otherwise worthless.

Investor Howard Marks reports that about half of the Nifty Fifty "compiled respectable returns for 25 years, even when measured from their pre-crash highs, suggesting that very high valuations can be fundamentally justified."^[2] On the other hand, Professor Jeremy Siegel analyzed the Nifty Fifty era in his book Stocks for the Long Run, and determined companies that routinely sold for P/E ratios above 50 consistently performed worse than the broader market (as measured by the S&P 500) in the next 25 years, with only a few exceptions.^[3]