Inflows from north of the border picked up earlier this month after a US ban on some Chinese securities forced international investors to dump the likes of China Mobile at bargain prices.
Investors in mainland China are showing unprecedented interest in Hong Kong stocks, powering the city’s fastest rally for a new year in more than three decades.
Mainland traders have net purchased about US$27 billion ($35.72 billion) worth of Hong Kong shares in January alone, nearing a third what they bought in all of last year. Keyword searches and references for “Hong Kong stocks” on Jan 19 reached 6.3 million on WeChat, China’s most popular instant-messaging tool, seven times the amount at the end of December, according to app data.

