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    债券评级

    公开发行的债券都需要评级机构进行评级。国际有三大评级公司，标普，穆迪，惠誉。评级从AAA，AA，A，BBB，BB，B，CCC等依次下降。评级BBB以下的债券，市场叫它们为垃圾债（Junk Bond），或者高收益债（High Yield Bond），之上的叫投资级别（InvestmentGrade）债券。

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    CS Hotline: +852 3018 4526
    Trading days: 24 hours | Non-trading days: 9:00-18:00
    Email: cs@usmart.hk
    WhatsApp: +852 5989 2641
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    Headquarters
    Sheung Wan
    Address:
    Room 2405-06, 24/F, 308 Central Des Voeux, Sheung Wan, Hong Kong
    (3-mins walk from MTR Sheung Wan Station Exit A2)
    North District
    Address:
    1718-1721, Level 17 Landmark North, 39 Lung Sum Avenue, Sheung Shui, New Territories, Hong Kong
    (5-mins walk from MTR Sheung Shui Station Exit A4)
    Investment Banking
    Admiralty
    Address:
    Room 2602A, 26/F, Tower 1, Lippo Centre, 89 Queensway, Admiralty, Hong Kong
    (3-mins walk from MTR Admiralty Exit B)
    uSMART Network
    uSmart Securities Limited is a corporation licensed by the Hong Kong Securities and Futures Commission (CE No.: BJA907) and is authorised to carry on Type 1 (Dealing in Securities), Type 2 (Dealing in Futures Contracts), Type 4 (Advising on Securities), Type 5 (Advising on Futures Contracts), Type 6 (Advising on Corporate Finance) and Type 9 (Asset Management) regulated activities.