Companies have struggled for five years in an environment of strict regulation and low prices, along with a host of poorly-timed mergers.
Tom Hayes, a 35-year-old trader, has been sentenced to 14 years in prison after becoming the first person to be convicted by a British jury of rigging Libor rates following a trial at London's Southwark Crown Court.
Wall Street ended lower on Monday as tumbling oil prices dragged energy shares to a three-year low and factory data from China raised concerns about the world's second-biggest economy.
Struggling retailer Sears Holdings Corp said on Monday comparable store sales in the United States fell sharply in the second quarter, sending its shares down 8 percent to a more than three-year low.
Bond giant Pacific Investment Management Co. disclosed that it received a Wells Notice from the staff of the U.S. Securities and Exchange Commission concerning a popular exchange-traded fund, the Pimco Total Return ETF.