马来西亚林吉特兑美元汇率下跌0.3%，至4.2570，为6月24日以来的最低水平。

Core Point - The Malaysian Ringgit has depreciated by 0.3% against the US dollar, reaching a rate of 4.2570, marking the lowest level since June 24 [1] Group 1 - The depreciation of the Malaysian Ringgit indicates potential economic challenges for Malaysia [1]