The guardians of the world economy are convening amid mounting fears that the coronavirus outbreak poses a greater threat to global growth than first envisaged.Finance ministers and central bankers from the Group of 20 nations will meet on Saturday and Sunday in the Saudi capital of Riyadh for the first time since the virus forced much of China to be quarantined and then began to spread.The consensus of economists remains for a short-term hit to demand in China and then globally, followed by a rebound. The International Monetary Fund reiterated this week that the worldwide expansion is set to “moderately strengthen” ... (full story)