The Bank kept the one-year rate unchanged for the 14th consecutive month.
On the other hand, the yuan fell to its weakest point against the dollar in more than a week, the greenback paused below its one-month high against its main competitors, pending the closely followed Federal Reserve moves.
China exits from a long holiday weekend, traders have taken a wait-and-see approach, US moves are expected to understand how much the dollar will appreciate.
Equity wins over banks and insurance companies
In any case, Chinese financial institutions saw their balance sheets expand in the first quarter of this year, according to official data from the Central Bank itself.
Financial institutions in the country saw their combined assets increase 9.5% yoy to 364.62 trillion yuan (about 57.1 trillion US dollars) by the end of the first quarter, while liabilities rose by 9.6% over the previous year to 331.6 trillion yuan.