Update: US Equity Indexes Dive After Sell-Off in Mega-Cap Chipmakers, Revocation of Iran's Authorization to Sell Crude Oil
() -- (Updates with index/price moves and company/political news) US equity indexes slumped after chipmakers led the technology sector lower, while the Treasury Department revoked a June 21 license that authorized Iran to sell its crude oil in international markets. The Nasdaq Composite dropped 1.4% to 25,763.6, the S&