Thomas Eric Duncan, the first person diagnosed with Ebola in the U.S., died from the virus while in isolation at a Dallas hospital.

More than 80 people in Dallas are being monitored for symptoms of Ebola after coming into contact with patient Thomas Eric Duncan or others who Duncan had met, health officials said.

Buyers are speculating that the $22 billion market can continue its streak without an annual loss even as Warren Buffett said last week that Berkshire Hathaway Inc. is avoiding writing hurricane insurance in Florida because premiums have been pushed too low.

AIG announced a tender offer for as much as $1.5 billion of its bonds as Chief Financial Officer David Herzog seeks to cut debt.