Stock futures are pointing to a mixed open for major indexes Tuesday as the market steadies itself after yesterday's sharp downturn.

Dow Jones futures sold off Monday as Nvidia plunged on an artificial intelligence threat posed by China. Buffett is sending a warning to investors, but make sure you understand what his purchases are saying.

The Dow is up roughly 0.3%, versus a fall of 3.11% for the Nasdaq. If it holds, the Dow's 3.41 percentage point outperformance would be its strongest versus the Nasdaq since Nov. 9, 2020, according to Dow Jones Market Data, when the blue-chip gauge outpaced the tech-heavy index by 4.47 percentage points.