Even though Intel's days as a Dow component are likely numbered, and Nvidia has leapfrogged Intel in the innovation department, Wall Street's artificial intelligence (AI) darling is no lock to enter the Dow.For more than 128 years, the Dow Jones Industrial Average (^DJI -1.01%) has served as Wall Street's most prominent barometer of the stock market's health.When it debuted on May 26, 1896, it was comprised of 12 mostly industrial companies. Today, the Dow Jones is a melting pot of 30 time-tested, multinati ...