The U.S. dollar strengthened against the Vietnamese dong Friday morning while remaining firm against the euro, sterling and yen.

Nguyen Khanh Linh, 34, has become the 10th engineer from Vietnam and its first woman to join the Google Developer Expert program.

The sharpest one-day surge in Vietnam's gold prices this year occurred on April 16, when the bullion reached VND115.5 million ($4,464.63) per tael.