For more than 128 years, the iconic Dow Jones Industrial Average ( ^DJI 0.85%) has served as a barometer of Wall Street's health. Over that time, it's evolved from an index that contained a dozen (mostly) industrial stocks to one that now houses 30 diverse, multinational businesses.

In a major overhaul of the Dow Jones Industrial Average, S&P Dow Jones Indices says that Nvidia ( NVDA, Financial) will replace Intel ( INTC, Financial) in the 30-company index from November 8. This change will end Intel's quarter-century stint on the Dow and show Nvidia's mostly unrivaled market relevance alongside giants like Microsoft ( MSFT,