In the midst of reports that the lender was connected to a real estate giant under investigation for fraud.
Hundreds of Vietnamese flocked to the offices of the country's fifth-largest bank to withdraw their cash.
During the last week, Saigon Commercial Bank hiked interest rates and attracted back customers while the national bank of Vietnam worked to calm the markets and depositors.
The regulator announced on Saturday that it would subject the privately held lender to "particular monitoring" and instructed four banks to assist in managing it.
The episode highlights the difficulties confronting an economy whose debt burdens are increasing for the government, consumers.
Enterprises, despite the government expecting an 8% growth rate this year, one of the highest rates globally. the emerging nation.