Noble Groups Chief Executive Officer Yusuf Alireza (2nd R) speaks during a news conference after meeting with investors in Singapore August 17, 2015. Noble Group is open to selling its core businesses, Alireza said, as Asia's biggest commodities trader pursues options to boost market confidence after a bruising accounting dispute. Alireza told some 500 attendees at the Singapore-listed company's investor information day on Monday that Noble is evaluating a number of options both internally in terms of shutting down certain businesses, and externally such as working with banks and strategic investors. REUTERS/Edgar Su