Shares in Hong Kong plunged 266 points or 1.3% to 19,959 in early trading at the start of the new month, reversing gains from the prior three sessions as trading resumed after the Lunar New Year holidays amid widespread sector losses.

Investors responded to Donald Trump's extensive tariffs on several nations over the weekend, including China. Meanwhile, Beijing announced plans to challenge Trump's move at the WTO and roll out other countermeasures, intensifying fears of a trade dispute between the two countries.

Source: Trading Economics