Wall Street in terms of market value, but in the eyes of the 128-year-old Dow Jones Industrial Average, its stock is ranked well below average. The semiconductor maker and leader of the artificial-intelligence boom officially became a member of the venerable index at 9:30 a.

A $1 gain in UnitedHealth would represent only a 0.18% change for the stock, compared to a significant 4.31% move for Intel. For Nvidia, a $1 change would be about 0.74%. Despite these percentage differences, the effect on the Dow remains the same. A $1 move in any Dow stock translates to roughly 6.6 points on the index.

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

Intel will be replaced by Nvidia on the blue-chip Dow Jones Industrial Average index after a 25-year run, underscoring the shift in the chipmaking market and marking another setback for the struggling semiconductor firm.