Wall Street tumbles again, world equities at one-year low

The Nasdaq flirted with correction territory, sliding as much as 10.3 percent from its Aug. 29 closing record high, before paring losses to end off those levels and avoiding confirming a correction.MSCI's gauge of stock performance in 47 countriesdropped 2.2 percent, falling below its February lows to trade at its lowest since October 2017.