SUI is either State Unemployment Insurance (tax) or State Unemployment Income.
GNMA MIDGETS are GNMA bonds secured by mortgages with a stated maturity of 15 years.
BOOKBUILD is a particular way of conducting a float where the price at which shares are sold is not fixed, but rather is determined following a process in which interested investors bid for shares. This is quite a common way of determining the price paid for shares by institutional investors (Funds Managers).
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