Group 1 - The core viewpoint of the news is the significant performance of the China Securities Hong Kong 100 Raw Materials Index, which has shown substantial increases over various time frames [1] - The China Securities Hong Kong 100 Raw Materials Index reported a 14.65% increase over the past month, a 41.71% increase over the past three months, and a 74.90% increase year-to-date [1] - The index is classified according to the China Securities industry classification standards, with a base date of December 31, 2004, and a base point of 1000.0 [1] Group 2 - The index is fully composed of securities listed on the Hong Kong Stock Exchange, with a 100% allocation [1] - Within the holdings of the index, gold constitutes 68.47% and aluminum constitutes 31.53% [1] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]

Group 1 - The core viewpoint of the news is that the China Securities Hong Kong 100 Raw Materials Index has shown significant growth, with a 7.80% increase over the past month, a 32.69% increase over the past three months, and a 62.85% increase year-to-date [1] - The index is classified according to the China Securities Industry Classification Standard, with the base date set at December 31, 2004, and a base point of 1000.0 [1] - The index is fully composed of securities listed on the Hong Kong Stock Exchange, with gold accounting for 68.96% and aluminum for 31.04% of the holdings [1] Group 2 - The index sample is adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, but can be temporarily adjusted under special circumstances [2] - Adjustments to the index occur when there are changes in the parent index samples, special events affecting industry classification, or when a sample company is delisted [2]

Group 1 - The core viewpoint of the news is the significant performance of the China Securities Hong Kong 100 Raw Materials Index, which has shown substantial growth over various time frames [1] - The China Securities Hong Kong 100 Raw Materials Index reported a 6.02% increase over the past month, a 30.50% increase over the past three months, and a 60.16% increase year-to-date [1] - The index is classified according to the China Securities industry classification standards, with a base date of December 31, 2004, and a base point of 1000.0 [1] Group 2 - The index is fully composed of securities listed on the Hong Kong Stock Exchange, with a 100% allocation [1] - Within the holdings of the index, gold constitutes 68.96% and aluminum constitutes 31.04% [1] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]

Group 1 - The Shanghai Composite Index decreased by 0.37%, while the China Securities Hong Kong 100 Materials Index reported at 707.05 points [1] - The China Securities Hong Kong 100 Materials Index has increased by 7.79% in the past month, 30.49% in the past three months, and 56.21% year-to-date [1] - The index is classified according to the China Securities industry classification standard, with a base date of December 31, 2004, and a base point of 1000.0 [1] Group 2 - The China Securities Hong Kong 100 Materials Index has a 100% allocation in the Hong Kong Stock Exchange [1] - Within the index's holdings, gold accounts for 68.40% and aluminum accounts for 31.60% [1] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made under special circumstances [2] - Adjustments occur when the parent index changes samples or when significant events affect the industry classification of sample companies [2]