Pfft, 500 points is like 1.2%.
The reasoning here is that the Fed just gave out numbers, and the economy was weaker than people thought. This isn't a panic, just a slight correction. The Fed is planning to cut rates in September, which will probably have the opposite impact as today's news.
People have been crying recession, and the data just doesn't support it. We've had a phenomenal year in the market this year, this is just tempering that a little bit.
This has nothing to do with Personal Finance IMO.