Business

Pacific Investment Management Co and other investors have sued Citigroup Inc over the bank's alleged failure to properly monitor toxic securities backed by more than $13.8 billion of mortgage loans, resulting in $2.3 billion of losses.

New York Attorney General Eric Schneiderman's office is investigating the posting of false bids and offers in the foreign exchange options market for emerging market currencies, a person familiar with the matter said on Monday.

Amgen's new injectable cholesterol drug Repatha has been turned down for use on Britain's state health service, underscoring a worldwide debate about the value of such pricey medicines.