Should have 24/7 trading from the beginning. The global markets and world conditions are changing by seconds so reacting in the normal trading hours are usually very late.
$Booking Holdings(BKNG)$ has a financial problem or has an incompetent team or just plain an irresponsible company? https://www.theguardian.com/business/2023/oct/01/booking-com-hotel-fees-unpaid-millions-technical-issue