Copper futures traded in London, New York and Shanghai rallied to the highest level in 14 months as the dollar's decline boosted the appeal of raw materials as alternative investments.
The top forestry administrator of China, the world's biggest importer of timber, has urged nations to step up their fight against illegal logging.
Despite worries about the value of its foreign assets, China increased its holdings in United States Treasury securities in September.
Hong Kong stocks went down 73.82 points, or 0.32 percent, to close at 22,840.33 Wednesday.
Pharmaceutical manufacturer GlaxoSmithKline (GSK), wants to move some production of its anti-flu drug Relenza to China.
The ChiNext Index, China's start-up board for small and medium-sized enterprises to raise capital, closed higher on Wednesday as all the 28 stocks were up.
Hawang Technology surpassed Sony in monthly sales to become the world's second largest e-reader producer after Amazon.com since September this year.
Chinese equities continued upward for the fourth consecutive trading day Wednesday and surpassed the 3,300 mark.
Wuhan cut off natural gas supply to another 20 companies on Tuesday due to increasing energy demand amid heavy snow, adding the number of affected firms to 76.
Vice Premier Li Keqiang said Tuesday that he hoped China and the United States would strengthen dialogue on policies and seek a more effective cooperative mechanism to promote clean energy development.
The China Advertising Association publicly condemned 58 illegal infomercials on Sept 25 after an investigation by the State Administration of Industry and Commerce.
Cheung Kong (Holdings) Ltd Chairman Li Ka-shing is buying more shares in the property developer, the worst-performing stock this year among Hong Kong's five biggest real-estate companies.
| Name | Value | Change | Time |
| Shanghai | +1.25% | Tue | 3,235.36 |
| Shenzhen | +1.42% | Tue | 13,677.72 |
| HSI | +1.34% | Tue | 22,113.15 |
| NIKKEI | +2.43% | Tue | 9,572.20 |
| Dow | +0.34% | Mon | 10,344.80 |
| Nasdaq | +0.29% | Mon | 2,144.60 |