Nvidia has delivered such massive gains in recent years that it's easy to overlook how the stock has performed over the short term. Most investors would be happy with a 20% gain in a year. Nvidia's share price has soared over 20% in the last five weeks.

While TSMC issued upbeat commentary on the state of the AI market, Wall Street perhaps already had that confidence.

U.S. stocks are drifting around their records following the latest signals that the U.S. economy continues to hum.