The S&P and the Dow just had worst day of the year

30 minutes to the close: Range bound
30 minutes to the close: Range bound
Market wanted a selloff: Pro
Market wanted a selloff: Pro
Closing Bell Exchange: Market's perfect storm
Closing Bell Exchange: Market's perfect storm

It was a tough day on Wall Street. In fact, for the and the Dow Jones industrial average, Thursday marked the worst day of 2015. (Tweet this)

The S&P finished down 2.1 percent while the Dow closed down 2.06 percent. Both indexes had their worst day since Feb. 3, 2014. On that day the S&P was down 2.28 percent and the Dow finished down at 2.06 percent.

The slide came a day after the Federal Reserve released the minutes from its July meeting. Most analysts interpreted the minutes as less indicative of a September rate hike. Wall Street had previously anticipated that the Fed might have more reason to move next month.

Read More S&P erases gains for year as stocks plunge 2% on Fed, growth concerns

Here are some other milestones hit in this trading session:

  • The S&P is now negative for the year
  • Consumer discretionary sector had its worst day since June 1, 2012
  • All sectors finished the day negative, and only utilities were positive for the week
  • The S&P once again traded below its 200-day moving average level of 2,078.2 on an intraday basis (today is the first time the S&P closed below its 200-day since July 9)
  • The Nasdaq is trading below its 50-day level of 5,075.21 and closed below its 200-day for the first time since Oct. 17
  • Cumulative volume on Thursday was 7.9 billion shares, the most volume since Aug. 12, when 8.28 billion shares were traded

—CNBC's Gina Francolla and Christopher Hayes contributed to this report.