The Dow Jones Industrial Average closed above 44000 for the first time on record Monday. The index added around 304 points, or 0.69%, to 44293.13. The climb from 43000—hit 20 trading days ago—was led by Goldman Sachs,

The historic addition of artificial intelligence (AI) colossus Nvidia may spell trouble for Wall Street's most iconic index.

The Dow Jones Industrial Average shed a scant 200 points on Tuesday, marking out territory just north of the 44,000 handle as equities take a brief pause from the post-election rally that sent the Dow Jones into fresh record highs.

Most indexes, like the S&P 500 and Nasdaq Composite, assign a higher weighting to the largest companies by market cap. For example, Apple has roughly 11 times the market cap of Coca-Cola, so it has a much higher weighting in the S&P 500. But in the Dow, Apple is the 12th highest-weighted company by market cap because the index is price-weighted.

For Nvidia (NVDA) , this has been the best of years. The company, led by Jensen Huang, makes the graphic processing chips that are the foundation of artificial intelligence, and everyone wants a piece of the company.