Financial writer analyzes historical DJIA changes to caution against over-optimism on Nvidia Corporation's stock inclusion. Click for my NVDA performance update.

Williams Company (NYSE: SHW) will be added to the Dow Jones Industrial Average. NVDA stock will replace Intel Corp. (NYSE: INTC), and SHW stock will replace Dow Inc. (NASDAQ: DOW) when trading begins on November 8,

Also know that, unlike the S&P 500 or the Nasdaq Composite, the Dow is weighted by price rather than by market cap. Although Nvidia has an outsized influence on the movements of the cap-weighted benchmarks, at current prices NVDA stock will be as important to the DJIA as, roughly, 3M ( MMM ).