The stock market slashed weekly gains Friday, but Nvidia has a new buy point. Tesla deliveries for Q4 and 2024 loom.

For over 150 years, these metrics have perfectly foreshadowed trouble to come for Wall Street and/or the U.S. economy.

The Dow fell 333.59 points, or 0.77%, to 42,992.21. The S&P 500 lost 66.75 points, or 1.11%, to finish at 5,970.84 points, while the Nasdaq Composite dropped 298.33 points, or 1.49%, to end at 19,722.

Tesla and Nvidia losses push Nasdaq 100 down 1.49%. Is more selling ahead, or can the Santa Claus rally spark a late-year ...