Dollar weakens against dong

Vietcombank sold the greenback at VND26,320, down 0.11% from the weekend. The currency dropped by 0.08% to VND26,500 on the black market.

The State Bank of Vietnam’s reference rate was 0.01% lower at VND25,113.

Globally, the U.S. dollar hovered near its lowest since 2021 against the euro and the weakest since 2015 versus the Swiss franc on Monday, with traders alert for any trade-related headlines in the countdown to President Donald Trump's tariff deadline, Reuters reported.

The dollar slipped 0.1% to 0.7944 Swiss franc in Asian trading, edging back towards the July 1 low of 0.7869 franc, a level not seen since January 2015. The U.S. currency edged up slightly to 144.73 yen.

The euro eased 0.1% to $1.1773, not straying far from the July 1 peak of $1.1829, the highest since September 2021. Sterling weakened 0.2% to $1.3628, but remained not far from the July 1 top at $1.3787, the strongest since October 2021.

The dollar index, which measures the currency against those four rivals and two more major counterparts, added 0.1% to 97.058, hovering above Tuesday's nearly 3-1/2-year trough of 96.373.

"Market volatility appears inevitable when the pause officially ends and new tariff levels are announced," James Kniveton, a senior corporate FX dealer at Convera, wrote in a client note.

At the same time, "the impact may prove more muted this time," he said. "Unlike previous announcements where tariff levels exceeded expectations, current proposals are largely anticipated.