Hong Kong stocks opened slightly lower on Tuesday morning as traders stepped back after the previous day's rally, with focus on the release of key US inflation data due this week.

The Hang Seng Index dipped 0.07 percent, or 13.34 points, to 18,814.01.

The Shanghai Composite Index edged down 0.05 percent, or 1.65 points, to 3,122.39, while the Shenzhen Composite Index lost 0.25 percent, or 4.43 points, to 1,743.40. (AFP)