News of Saturday 5 January 2019

• Nobel Prize winner and hedge fund founder: This is all you need to know to invest your money
• UN: Saudi trial into Khashoggi killing ‘not sufficient’
• Lima Group says won’t recognize Maduro as Venezuela president
• Trump threatens 'national emergency' over wall
• Israeli forces injure at least 23 Palestinians in Gaza protests
• Trump ignoring Tel Aviv’s demands about Syria: Israeli report
• Japan sushi tycoon pays record tuna price