An investor looks at screens showing stock market movements at a brokerage house in Shanghai.

Chinese stocks rebounded on Wednesday, taking the lead in a broader recovery in Asian markets, that was encouraged by Beijing's determination to stabilize its equity markets and a positive finish on Wall Street overnight.

Meanwhile, investors were in a wait-and-see mood ahead of the Federal Reserve's policy statement, which is expected to provide further clues on the timing of a U.S. rate increase.