Defense Contractor Stocks Are Surging

The stock market is selling off today with the Dow down by over 100 points.

But there is one sector that is in the green: defense stocks. The US Aerospace & Defense ETF (ITA) is up 0.8 percent.

This could be explained by the escalating tensions in North Korea.

"North Korea rhetoric presents real, clear danger, threat to US, allies," said Defense Secretary Chuck Hagel earlier today.

Here's a look at how some of the other big defense contractors are doing today.