The Dow logged its best start to the year in almost two decades.
FedEx and UPS have disclosed they are targets of a federal criminal investigation related to their dealings with online pharmacies, which are at the center of an international crackdown on prescription drug abuse.
UPS Inc. is re-examining safety in its planes after the Dubai government's civil aviation authority released a report Sunday on the crash of a UPS Boeing 747 last year.
Stocks surged Thursday after another strong batch of earnings reports revived optimism about the economic recovery. Encouraging signs of growth in Europe added to the upbeat mood.
