Share Prices Dip, Oil Futures Rise After one of the biggest rallies in years, the nation's financial markets did a quick reversal today. Stock prices fell sharply, with the Dow Jones Industrial Average losing more than 300 points. Oil prices also reversed direction and headed higher. Many analysts say investors are coming to grips with the fact that the war with Iraq may not be so easily-won after all. NPR's Jim Zarroli reports.