It has little to do with raising interest rates. Recently, the yield of the money fund has risen sharply, mainly because of the recent subscription of a large number of new shares. Recently, China Construction Bank, CNOOC, Shenhua and PetroChina have been listed one after another. Attract a large number of funds to participate in the subscription, the money fund can provide funds to borrow in the lending market, so the yield is greatly improved, and the yield will decline after a while.