The S&P 500 shed 0.25% to end at 3,839.50.
The S&P 500 sank 19.4%, and is more than 20% below its record high, while the tech-heavy Nasdaq tumbled 33.1%.
Despite the yearly losses, the Dow and S&P 500 did break three-quarter losing streaks.
The tech-heavy Nasdaq, however, muddled through its fourth consecutive negative quarter for the first time since 2001.
Communication services was the worst performing sector in the S&P 500 this year, falling more than 40%, followed by consumer discretionary.