US-based alternative investment solutions provider Direxion is set to change the underlying for two of its leveraged ETFs, Direxion Daily FTSE China Bull 3X Shares (YINN) and Direxion Daily FTSE China Bear 3X Shares (YANG). The index switch will take place on Thursday next week and will make these the first pair of 3X leveraged and inverse ETFs in the US to use this underlying index. Both ETFs are meant to be used as short-term trading vehicles and not long-term investments. In total, Direxio