With more than 90% of S&P 500 companies reporting, it’s looking like an A.

AI investment is driving the U.S. stock market to new highs. Ultimately, that could impact everyone. 

The stock market is not the economy, but it can help tell us how the economy’s doing.

The company is the first of its kind to join the landmark index. Cryptocurrency skeptics and fans alike say that gives the virtual tender a stamp of legitimacy, but can’t agree if it’s warranted.