The yuan jumped to 79.775 Hong Kong dollars per 100 yuan, just near the record of 79.729 on Wednesday.
The yuan reached a record high yesterday as the central bank fixed its midpoint against the US dollar at the strongest level ever.
That sparked anticipation of further appreciation this year and stoked inflationary pressure on the mainland and Hong Kong.
The People's Bank of China set the midpoint at 6.2506 yuan per US dollar - up from the fixing of 6.2578 on Thursday - ahead of a visit by US Secretary of State John Kerry to Asia. The yuan jumped to 79.775 Hong Kong dollars per 100 yuan, just near the record of 79.729 on Wednesday.
