ARK ETF TRUST
 DIREXION SHARES
 FIRST TRUST PORTFOLIOS
 GLOBAL X FUNDS
 INVESCO POWERSHARES
 ISHARES(BLACKROCK)
 KRANESHARES
 PROSHARES
 ROUNDHILL INVESTMENTS
 SPDR(STATE STREET GLOBAL ADVISORS)
 U.S. GLOBAL INVESTORS
 USCF INVESTMENTS
 VAN ECK
 VANGUARD
 WISDOMTREE FUNDS
 元大投信
 南方東英
 第一金投信
 富邦投信
 復華投信
 華夏基金(香港)
 嘉實基金(香港)

投資注意事項