Dow rallies 700 points for best day in more than a year, Russell 2000 small-cap index jumps 3%: Live updates CNBCDow and S&P 500 close at record highs as investors bet on September rate cut CNNDow Jones Today: Blue Chip Gains Push Dow to All-Time High; Nasdaq Slips as Tech Stocks Tumble InvestopediaWidespread rally sends Wall Street to records; Dow leaps 740 points Press Herald