Prices of several large stocks, such as Berkshire Hathaway, McDonald's and Wells Fargo, plunged as much as 99.9% in early US trading on Monday (June 3) due to widespread suspicions of a software glitch in the infrastructure of the New York Stock Exchange. Extreme price volatility caused trading in the affected securities to be suspended, but trading in Berkshire Hathaway and other affected securities then resumed. Since then,...