const symbol = [
  '^AORD',
  '^BVSP',
  '^GSPTSE',
  '^SSEC',
  '^FCHI',
  'DAX',
  '^HSI',
  '^BSESN',
  '^JKSE',
  '^N225',
  '^KLSE',
  'PSEI.PS',
  '^TASI.SR',
  '^KOSPI',
  '^FTSE',
  '^DJI'
]
yahooFinance.historical({
  symbols: symbol,
  from: '2018-03-17',
  to: '2018-03-18'
}, function (err, result) {
    console.log(result)
})