After the fall of Syria's president Bashar al-Assad, we look into the challenges the nation will face to rebuild the economy. China has launched an antitrust investigation into Nvidia, the world’s most valuable maker of computer chips. We find out why. Baseball player Juan Soto has agreed a $765m deal over 15 years with Major League Baseball's New York Mets, the biggest contract awarded in the the history of sport. We look into the details.