>> Wall Street tumbled to a new low this week as drama in Washington over an impending government shutdown spooked investors already on edge. The Dow Jones Industrial Average fell 416 points on Friday to end its worst week since the height of the financial crisis in October of 2008.
The S&P 500 already on pace for its worst December since the Great Depression, fell over 2%, while the NASDAQ sank nearly 3% to a 15 month low, sliding in to a bear market. Reuters Correspondent Lewis Krauskopf.>> We're just seeing a barrage of concerns facing investors, including concerns about the economy.
And whether interest rates are gonna keep rising into a weakening economy, which is a big concern. There's concerns coming out of Washington about trade policy, and concerns about a government shutdown.>> Adding to market jitters, the sudden resignation of US Defense Secretary Jim Mattis and an interest rate hike Wednesday by the Federal Reserve.
>> You're just seeing all this selling that's happened over the last few weeks, and all these concerns. One thing is that if we're unable to reach a deal now, what's gonna happen when the Democrats actually take control of the House of Representatives in January? How much are we actually gonna get done?
And while there's some debate about whether gridlock is good for markets, at this point I think it's just compounding the uncertainty.>> Stocks that took the biggest hit Friday, tech giants Amazon, Facebook, and Netflix each down more than 5% at the closing bell.