(Bloomberg) -- Mexico and Hungary are tapping global bond markets for the second time this year as developing nations continue to test investor appetite even amid a broad selloff in risk assets. Most Read from BloombergBlinken’s Return From Davos Was Delayed After Plane Broke DownApple to Sell Watches Without Oxygen Feature After Legal SetbackPakistan’s Army Strikes Back at Iran as Both Sides Urge CalmSingapore Minister Quits After Biggest Graft Case Since 1986Dimon Says China Risk-Reward Equati