Market running scared? I'm buying: Jon Najarian By: CNBC.com News July 18, 2014 at 18:32 PM EDT Fear triggered a spike in market volatility this week as some ran for the exits-"Fast Money" trader Jon Najarian ran for his "buy" button. Read More >> Related Stocks: Boeing Co CBOE Global Markets Inc SPDR S&P 500 ETF Trust Sentinelone Inc Cl A Twitter, Inc.