• Hong Kong started on the back foot Tuesday as investors fretted over geopolitical tensions.
• The Hang Seng Index dropped 0.67 percent, or 181.59 points, to 26,942.96.
• Shanghai Composite Index lost 0.23 percent, or 7.04 points, to 3,023.71

The Hang Seng Index dropped 0.67 percent, or 181.59 points, to 26,942.96.

The benchmark Shanghai Composite Index lost 0.23 percent, or 7.04 points, to 3,023.71 and the Shenzhen Composite Index, which tracks stocks on China's second exchange, was 0.24 percent, or 4.03 points, lower at 1,681.06.