Fitch has affirmed the National Long-Term Rating of Krungthai Zmico Securities Company Limited (KTZ) at ‘AA-(tha)’ and its National Short-Term Rating at ‘F1+(tha)’. The Outlook is Stable. KEY RATING DRIVERSKTZ’s National Long-Term Rating is driven by Fitch’s expectation that its major shareholder, Krung Thai Bank Public Company Limited (KTB; BBB+/AAA(tha)/Stable), would provide extraordinary support to…