Vietcombank sold the greenback at VND26,391, up 0.02% from Tuesday. On the black market, the currency fell 0.18% to around VND26,802.
The State Bank of Vietnam hiked its reference rate by 0.02% to VND25,135.
Globally, the U.S. dollar recovered ground to near a one-month high in early Asian trade on Wednesday after U.S. CPI data that was broadly in line with estimates, firming up expectations that the Federal Reserve will remain on hold later this month despite unprecedented pressure from the White House to lower interest rates, Reuters reported.
The U.S. dollar index, which measures the greenback's strength against a basket of six currencies, was last up 0.3% at 99.18, recovering from Monday’s losses.
Against the yen , the U.S. dollar was last flat at 159.025 yen. The euro was last flat at $1.1642, while the British pound also held steady at $1.3423.
The Australian dollar was last up 0.1% at $0.6688, while the New Zealand dollar nudged 0.1% upwards to $0.5740.