Mainland and Hong Kong stocks mostly ended trading with gains on Monday as investors focused on China-US trade truce developments.

The benchmark Hang Seng Index closed up 47 points, or 0.19 percent, at 24,906.

The Hang Seng China Enterprises Index fell 0.08 percent to end at 8,888 while the Hang Seng Tech Index fell 0.01 percent to end at 5,460.

Investors are also awaiting earnings reports from market heavyweights this week, including Tencent, Meituan, JD.com and Alibaba.

On the mainland, the benchmark Shanghai Composite Index ended up 0.34 percent at 3,647 while the Shenzhen Component Index closed 1.46 percent higher at 11,291.

The combined turnover for these two indexes was 1.83 trillion yuan – up from 1.71 trillion yuan on Friday.

Observers expect US President Donald Trump to announce an extension of a trade war truce reached with China last month, ahead of a 90-day deadline set for Tuesday. (Agencies)