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.

The Dow has become way more tech-focused in recent years with the additions of Salesforce, Amazon, and Nvidia. Sherwin-Williams better represents the materials sector than Dow Inc. In the Dow, companies with higher stock prices have higher weightings.

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 ).

KEY TAKEAWAYS Nvidia joined the Dow Jones Industrial Average Friday, replacing storied chipmaker Intel as the artificial intelligence darling cements its position as the world’s most valuable company.