Hong Kong stocks closed down 14. 71 points, or 0.07 percent, at 20,597.35 on Friday.
The ChiNext Index, launched by the Shenzhen Stock Exchange (SSE) on June 1, rose 1.92 percent, or 18.83 points, to close at 999.46 on Friday.
China's stock index futures closed higher Friday with the contract for September, the most actively traded, up 0.5 percent from the previous trading day to end at 2,872.6 points.
Chinese stocks kept Thursday's upward move to close higher Friday, buoyed by the strong performance of oil giants and Xinjiang-related shares.
The value of China's currency Renminbi (RMB) strengthened against the US dollar Friday as the central parity rate of the yuan was set at 6.8001 per US dollar, compared with the 6.8041 Thursday, according to the data released by the China Foreign Exchange Trading System.
China's stocks opened slightly lower Friday with the benchmark Shanghai Composite Index down 0.04 percent to open at 2,602.5 points.
Mainland stocks rose, as coal producers advanced on the prospect of mergers while companies from China Cosco Holdings Co to Jiangxi Copper Co climbed after reporting higher earnings.
Oil rose for a second day in New York, buoyed by advancing equity markets and speculation that crude's 7 percent drop this month has been excessive relative to the economic outlook.
Hong Kong stocks closed down 22.92 points, or 0.11 percent, at 20,612.06 on Thursday.
The ChiNext Index, launched by the Shenzhen Stock Exchange (SSE) on June 1, rose 0.38 percent, or 3.75 points, to close at 980.63 on Thursday.
China's stock index futures closed higher Thursday with the contract for September, the most actively traded, up 0.07 percent from the previous trading day to end at 2,865.8 points.
Chinese stocks rose slightly on Thursday, as the benchmark Shanghai Composite Index closed at 2,603.48, up 6.90 points, or 0.27 percent.