Top U.S. lawmakers have said that they believed MBS ordered the killing, but White House officials said on Sunday President Donald Trump has not changed his belief that the crown prince is a strong leader who is passionate about his country. Saudi's stock market has fallen more than 5 percent since Oct. 2 because of concerns the Khashoggi case could trigger U.S. sanctions against Riyadh and shrink inflows of foreign investment. Top petrochemical producer Saudi Basic Industries Corp fell nearly 1 percent, while Al Rajhi Banking & Investment Corp dropped 1.9 percent and National Commercial Bank slumped 2.3 percent. Dubai climbed 0.9 percent higher, buoyed by banks and real estate shares. Emirates NBD rose 2.1 percent and real estate developer Emaar Properties gained 1.4 percent. Dubai's Mashreqbank jumped 2.9 percent after reporting a 4.6 percent rise in quarterly net profit to 587 million dirhams on Monday.