Stock splits make a big difference in the Dow, but not the S&P 500 or Nasdaq Composite. 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 ...

Nvidia Corp. may be the top dog on 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 ins and outs of membership in the 30-company group that represents success across industries and reflects stock market conditions.

The change, starting next Friday, lifts a dominant player in artificial intelligence over its chip-making rival, which has struggled to keep up.