) TAIFEX Announces Temporary Increase in Margin Requirements for GUF and HBF. The Taiwan Futures Exchange (TAIFEX) hereby announces a temporary increase in the margin levels for GUF and HBF, as ... GUF.
) TAIFEX Announces Temporary Increase in Margin Requirements for GUF. The Taiwan Futures Exchange (TAIFEX) has announced the temporary increase in the margin levels for GUF, as their underlying ... GUF.