Hong Kong stocks went up 263.13 points, or 1.15 percent to close at 23,207.31 on Monday, the highest closing since June 2008.
The benchmark Hang Seng Index moved between 23,302.29 and 23, 151.62 on the day after opening 225 points higher.
Turnover totaled 95.21 billion HK dollars (about 12.27 billion U.S. dollars).
The Hang Seng China Enterprises Index, which tracks mainland- based companies listed in the Hong Kong bourse, went up 193.67 points, or 1.52 percent, to close at 12,951.90.
For the four sub-indices of the benchmark index, all except the Utilities moved upward, with the Commerce and Industry gaining the most by rising 1.56 percent. The sole market operator HK Exchange surged 4.11 percent to 169.6 HK dollars as sentiments among investors are running higher.
Banking giant HSBC went up 0.31 percent to 81.65 HK dollars, and China's largest telecom service provider China Mobile gained 0.18 percent to 82.15 HK dollars.
Resources companies were among the day's most strong performers, driven by a weak dollar and ample liquidity in the market.
China's offshore oil producer CNOOC rose 4.48 percent to 16.8 HK dollars, on top of a gaining streak that has already lasted for days. Petrochina went up 3.6 percent to 9.78 HK dollars and Sinopec gained 1.03 percent to 6.85 HK dollars.
The nation's leading gold miner Zijin also surged 5.12 percent to 7.8 HK dollars as gold price rose to historic high.
Chalco, the nation's largest producer of aluminum, advanced 4.26 percent to 7.84 HK dollars.
Other outperformers also include the newly-listed wind-farm service provider Goldwind, which jumped 5.72 percent to 20.15 HK dollars.
Local developers edged higher ahead of a land auction scheduled on Oct. 22. Cheung Kong rose 0.41 percent to 121.4 HK dollars. SHK rose 0.8 percent to 138.2 HK dollars. Hang Lung closed 2.76 percent higher at 39.05 HK dollars.
Chinese mainland lenders were mostly higher. Bank of China rose 0.47 percent to 4.25 HK dollars. ICBC moved up 0.67 percent to 5.98 HK dollars. China Construction Bank gained 1.45 percent to 6.98 HK dollars. The nation's leading retail bank CM Bank was also among the most active stocks of the day, rising 0.96 percent to 21.1 HK dollars. (7.757 HK dollars =1 U.S. dollar)