One reason was that after the rubber industry began to flourish, a great number of people joined in the first large wave of investment. The price of a bushel dropped from S $ 200 in 1925 to S $ 7-8 in 1935. Furthermore, rubber-manufactured products felt the brunt of Japanese cut-throat competition.
一來是橡膠業興盛後，一窩蜂投入的人很多，價格也就由一九二五年的每擔二百元新加坡幣，一路下滑到三五年的每擔七、八元；橡膠製品又遭逢日本商人的賤價競爭。