The tech-rich Nasdaq Composite Index has led US stocks sharply lower as anxiety about pricey technology equities returned with a vengeance and dragged down the broader market.The Nasdaq tumbled 129.79 points (3.10 per cent) to 4,054.11.
							11/04/2014 - 06:33
						
					Tech stocks lead market rout; Nasdaq plunge
								11/04/2014 - 06:33
							
						