"Additional liquidity" refers to having extra money or funds available for use. It means having more financial resources to meet immediate needs or invest in new opportunities. Full definition
(2) the insured needs additional liquidity for some other expense. (kitces.com)
They couldn't need additional liquidity, until it was too late to raise it. (alephblog.com)
On the bright side, the US is still viewed as a safe haven, so if there are troubles in Europe or Japan, the US will benefit from additional liquidity in the short run. (alephblog.com)