Fred Imbert and Katrina Bishop of CNBC report stocks fall in wild session to close out big losing week for tech:Stocks closed lower for a second day on Friday after a wild session in which names that would benefit from the economy reopening tried to offset another steep decline in tech. The Dow Jones Industrial Average closed 159.42 points lower, or 0.6%, at 28,133.31. At one point, the 30-stock average fell as much as 628.05 points, or 2.2%. The Dow was also higher for a moment on Friday. The S&P 500 slid 0.8% to 3,426.96, but closed well off its session low. The broader-market index was down 3.1% at its session low and briefly traded positive on the day. The Nasdaq Composite fell 1.3% to 11,313.13, but also closed well above its low of the day.Boeing shares rose more than 1% while bank stocks gained broadly. JPMorgan Chase and Citigroup were up 2.2% and 2%, respectively. Bank of America climbed 3.4%. Wells Fargo advanced 1.1%. Cruise operator Carnival climbed 5.4% a…