South Korea plane crash investigators reveal initial clues found at site of deadly tragedy - The Boeing 737-800 crash-landed and skidded off a runway at Muan International Airport, killing 179 people

A team of U.S. investigators including representatives from Boeing have examined the site of a plane crash that killed 179 people in South Korea.

Shares of Boeing fell in early trading on Monday, one day after a Boeing model 737-800 was involved in the Jeju Air plane crash in South Korea that killed scores of passengers. The stock price dropped more than 4% at the open of trading on Monday morning.