Yahoo! Finance: Company News
Big 4 tech stocks erasing a total of more than $190 billion in market cap – A big reason why technology-heavy Nasdaq Composite is dropping 1.5% in afternoon trading Thursday while the Dow Jones Industrial Average is rallying 292 points, or 0.9%, is the bad performance of the shares of the four biggest tech names. Of the four U.S. companies with market capitalizations of over $1 …