Shares suspended in FX risk management firm - now in talks about emergency sale to a rival

Argentex, in a London Stock Exchnage statement :

• said it had been "exposed to significant volatility in foreign exchange rates, particularly in relation to the rapid devaluing of the US Dollar against other major benchmark currencies which has been precipitated by the various recent announcements from President Trump regarding tariff policies and US government spending cuts".
• "As a result, the company has experienced a rapid and significant impact on its near-term liquidity position, driven by, inter alia, margin calls linked to its FX [foreign exchange] forward and options books.

Here is the source for more.

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This is not just about exposure, but the lack of liquidity even when trying to reduce such exposure. Order book and interest liquidity dissipated due to the capriciousness-driven tariff volatility.

This is not normal reserve currency behaviour.