Nvidia's stock isn't having the best first-day as a Dow member, as it is the fourth-biggest drag on the 128-year-old index, but at least the shares of fellow newbie Sherwin-Williams are more than making up for it.

Nvidia's replacing Intel on the Dow has been a long time coming. Intel has been the only pure-play semiconductor stock on the Dow, but the industry has taken on increasing importance in the AI era, and nearly every chip stock has soared -- with the notable exception of Intel.

Regardless of whether it manages to eke out a fresh record close, Friday promises to be an auspicious day for the blue-chip Dow Jones Industrial Average. That's because it marks the first trading session where Sherwin-Williams and Nvidia Corp.