Major stock markets in Asia mostly traded higher Monday ahead of the first US presidential debate later in the week. Sentiment was lifted by the prospects of new stimulus in the US, with House Speaker Nancy Pelosi saying that it is still possible. The Kospi led the gains, jumping 1.5%, as new virus cases in the country hit its lowest in over a month. Shares in Australia was almost flat as traders watched the second phase of the JobKeeper wage subsidy that kicks off today.