Hong Kong (CNN Business) Asian stocks rose slightly Monday. Investors are looking out this week for signs about how central banks around the world may take action to support economic growth.

Hang Seng Index HSI Shanghai Composite Index SHCOMP Nikkei N225 Kospi KOSPI Hong Kong'smoved up 0.1%. China'srose 0.4%. Japan'sgained 0.4%. South Korea'sadvanced 0.7%.

Monday marked the first day of trading for the region since the People's Bank of China on Friday said it would reduce the amount of cash banks have to keep in reserve, a move which could unleash 900 billion yuan ($126 billion) for long-term lending. The central bank has indicated that it could take more steps to stimulate the economy

China's economy continues to show signs of weakness. Exports unexpectedly shrank by 1% last month, according to data released over the weekend. Analysts polled by Reuters expected those figures to rise.

Exports in August to the United States fell 16% compared to a year ago. The country has been locked in a trade war with the United States.

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