As I posted the early indications here:
The USD is firmer, with yen not too far behind due to China news over the weekend:
So far there is no 'gap fill', the USD remains bid.
US equity index futures trade has reopened for the week. S&P 500 futures and NASDAQ also are lower on Globex.
Circa -0.3% and -0.5% respectively.
AUD/USD is still sitting under its 'gap', as are many other FX rates. The Chinese yuan is lower alongside these moves:
5 min candles: