 This is a Bloomberg Money Minute. It's all about upgrades on Wall Street. Wall Street investors upgraded the Nasdaq and S&P to new record closes. Again, the S&P is above 5,600 for the first time. On a rally in big tech, all three averages gained one and a tenth to one and two tenths percent. The Dow rose 429 points, the Nasdaq 216, the S&P 57.