KEY POINTS
  • The Dow fell as much as 74.24 points before closing about 40 points lower. The S&P dropped as much as 0.29 percent, but ended the session 0.1 percent lower.
  • The CBOE Volatility Index (VIX), widely considered the best gauge of fear in the market, traded below 10, near levels not seen since December 2006.

The Dow Jones industrial average and the S&P 500 closed lower on Tuesday after the North Korean ambassador to the UK told Sky News the country will proceed with its sixth nuclear test.

The 30-stock index fell as much as 74.24 points before closing about 40 points lower. The S&P dropped as much as 0.29 but ended the session 0.1 percent lower.