The motion for a vote of no confidence against Prime Minister Najib Abdul Razak that has been raised in Parliament may be a factor for the poor performance of the market and ringgit depreciation, Bank Negara Malaysia believes.

"The market - to some extent - drives on uncertainty and when there is tension prevailing in the political environment, it will contribute to affecting this sentiment," Bank Negara Governor Zeti Akhtar Aziz said at a news conference today.