The Dow Jones Industrial Average DJIA, +0.51% mounted its best rebound from an intraday low in about eight weeks, according to WSJ Market Data Group. The blue-chip gauge had been down intraday by as many as 510 points, or 2.1%, but closed up 1%, or about 230 points, at 24,264, representing the best turnaround from a low on an intraday basis since Feb. 6 when blue chips were down 2.33% but ended with a gain of 2.33%. The Nasdaq Composite Index COMP, +1.71% and the S&P 500 index SPX, +1.05% logged their best comebacks since Feb 9, when the Nasdaq tumbled 2.2% to end up 1.4%, and the S&P 500 logged a 1.5% gain after being down 1.9% on the day.