Most Asian stock indices declined ahead of the European Central Bank's interest rate decision and the U.S. payrolls. The European Central Bank will release its interest rate decision today. Market participants expect the ECB's interest rate remains unchanged at 0.15%. The European Central Bank cut its interest rate to 0.15% from 0.25% in June.

The U.S. Bureau of Labor Statistics will reveal its labour market data on Thursday. Analysts expect that the U.S. economy will add 211,000 jobs in June, after 217,000 jobs in May.

The unemployment rate in the U.S. should remain unchanged at 6.3% in June.

The Chinese non-manufacturing purchase managers' index decreased to 55.0 in June from 55.5 in May.

The Chinese HSBC services manufacturing purchase managers' index climbed to 53.1 in June from 50.7 in May.

Indexes on the close:

Nikkei 225 15,348.29 -21.68 -0.14%

Hang Seng 23,531.44 -18.18 -0.08%

Shanghai Composite 2,063.23 +3.81 +0.19%