Jan 7 Hong Kong’s benchmark stock index fell to its lowest since mid-2013 on Thursday, as panic from China’s 7 per cent market free-fall spilled over the border.

The Hang Seng index dropped 3.1 per cent to 20,333.34, the lowest close since July 2013.

The China Enterprises Index tumbled 4.2 per cent to 8,753.97 points, a closing level not seen since October 2011.

All main sectors fell, with the sentiment soured by fresh slump in mainland equities.

China’s benchmark CSI300 index collapsed 7 per cent after less than 30 minutes of trading, triggering the circuit-breaker mechanism that halted share transactions for the day.

The tumble in China was triggered by a further weakening in the yuan, gloomy prospects for China’s economy and fears of an equity supply glut when a share sales ban expires on Friday.