day. the s&p 500 was off 47, the nasdaq lost 151. for the week it was ugly. the dow lost nearly 3%. the s&p plummeted 4%. and the nasdaq finished down 3.78. let s get analysis on what is behind this week s market volatility. susan li of the fox business network joins us from new york. good evening, susan. bret, a day of loss cap off a long, long week of volatile trading on the markets. on track now for the worst month for the dow in 8 years. the technology heavy nasdaq index look at worst month since the crisis. amazon, apple, facebook and netflix. these are the same names leading the markets up to record levels this year. there are concerns over higher interest rates, global trade tensions and fears that corporate earnings might be peaking that has sparked this sell off. this week disappointing earnings and forecast from amazon and google s parent