STOCKS SNAP THEIR STREAK: Here's what you need to know

Stocks tumbled mid-morning and then stayed in the red for the remainder of the day.
Notably, Tuesday marked the first time since October 11, 2016, that both the Dow and the S&P 500 closed down by at least 1%.
Within the index, financials had a particularly rough day, falling by about 2%. Bank of America was down by more than 5%.
First up, the scoreboard:
Dow: 20,668.01, -237.85, (-1.14%)
S&P 500: 2,344.02, -29.45, (-1.24%)
Nasdaq: 5,793.83, -107.70, (-1.83%)
US 10-year yield: 2