A股三大指数21日涨跌不一，截至收盘，沪指涨0.13%，深成指跌0.06%，创业板指跌0.47%，北证50指 数跌1.60%，沪深京三市全天成交额24603亿元，较上日放量119亿元。全市场超2100只个股上涨。 板块 题材上，跨境支付、油气开采及服务、可燃冰板块走高，PCB概念、液冷服务器板块调整。 盘面上， 跨境支付板块全线走强，三未信安、新晨科技20CM涨停封板，中油资本、天融信等涨停封板。油气开 采及服务板块走高，淮油股份涨停封板。可燃冰板块走强，神开股份涨停。PCB概念走弱，崇达技术跌 停。液冷服务器板块走弱，川润股份、飞龙股份、腾龙股份、金田股份跌停。 （来源同花顺，以上信息为南都·湾财社AI大数据自动生成） ...

8月21日，数字货币概念上涨2.5%，今日主力资金流入31.53亿元，概念股66只上涨，12只下跌。 主力资金净流入居前的分别为中油资本（8.36亿元）、北信源（8.23亿元）、京北方（7.96亿元）、翠 微股份（5.1亿元）、银之杰（4.14亿元）。 序号代码名称最新价涨跌幅主力净流入主力净占比1000617中油资本10.8710.028.36亿元26.3%2300352北 信源7.5719.978.23亿元27.31%3002987京北方25.349.987.96亿元22.04%4603123翠微股份15.3710.025.10亿 元24.18%5300085银之杰46.923.644.14亿元9.88%6300468四方精创47.74.562.44亿元3.16%7300465高伟达 18.247.552.30亿元11.8%8300130新国都33.311.551.48亿元6.05%9000676智度股份9.892.811.31亿元 10.4%10002212天融信9.2310.011.17亿元42.77% 来源：金融界 ...

Market Overview - As of the market close on August 21, the Shanghai Composite Index rose by 0.13% to 3771.10, while the Shenzhen Component Index fell by 0.06% to 11919.76, and the ChiNext Index decreased by 0.47% to 2595.47 [3][4]. - The total trading volume in the Shanghai and Shenzhen markets reached 2.42 trillion yuan, marking the seventh consecutive trading day with volumes exceeding 2 trillion yuan [5]. Sector Performance - The market saw a mixed performance with over 3000 stocks declining. Notable sectors that performed well included combustible ice, digital currency, oil and gas extraction, trust concepts, and electricity [7]. - The digital currency sector was particularly strong, with stocks like Sanwei Xinan and Beixin Source hitting the daily limit of 20% increase, alongside multiple stocks such as Cuiwei Co., Zhongyou Capital, and Tianrongxin also reaching their daily limits [7]. Stock Highlights - ZTE Corporation's A-shares saw a trading volume exceeding 20 billion yuan, with the stock rising by 6.56% by the end of the trading day [8]. - In terms of capital flow, major inflows were observed in basic chemicals, computers, public utilities, and banking sectors, while mechanical equipment, electrical equipment, non-ferrous metals, and automotive sectors experienced net outflows [10]. Institutional Insights - Guodu Securities noted that the overall market remains in a trend of oscillating upward, with high trading activity and market sentiment. Investors are encouraged to actively participate in the market, focusing on large-cap stocks with performance, scale, and trends, particularly in sectors like computing hardware, semiconductor chips, and robotics [14]. - Huatai Securities highlighted that both volume and price in A-shares are rising, with trading activity remaining high without signs of overcrowding. Although foreign trading activity has increased, there has not yet been a net inflow trend from foreign institutional investors, which could be a significant factor for future market movements [14].

Group 1 - The A500 index (000510) has shown a positive performance with a 0.59% increase as of August 21, 2025, with notable gainers including Zhongke Titanium (002145) up 10.11% and ZTE Corporation (000063) up 7.36% [1] - The A500 ETF fund (512050) has also increased by 0.19%, with a latest price of 1.07 yuan, and has demonstrated active trading with a turnover rate of 29.64% and a transaction volume of 4.568 billion yuan [1] - Over the past week, the A500 ETF fund has averaged a daily transaction volume of 5.292 billion yuan, ranking it first among comparable funds [1] Group 2 - Huatai Securities reports that A-share trading volume and price have risen, with active trading by retail investors reaching a year-to-date high, while the crowdedness of trading remains moderate [2] - The number of private fund registrations has also increased, with 666 new products registered in early August, a 6% rise from July [2] - Foreign and insurance capital are expected to be significant sources of incremental investment, with insurance capital's market entry ratio increasing in Q2 2025 [2] Group 3 - As of July 31, 2025, the top ten weighted stocks in the A500 index account for 19.83% of the index, including major companies like Kweichow Moutai (600519) and BYD (002594) [3] - The A500 ETF fund has various related index funds and enhanced ETFs, indicating a diverse investment product offering [3]

Market Overview - The Shanghai Composite Index closed at 3779.52 points, up 0.35% [1] - The Shenzhen Component Index closed at 11980.08 points, up 0.45% [1] - The ChiNext Index rose by 0.21%, while the Sci-Tech 50 Index increased by 0.96% [1] Stock Performance - Among the tradable A-shares, 2511 stocks rose, accounting for 46.64%, while 2672 stocks fell [1] - There were 53 stocks that hit the daily limit up, and 6 stocks hit the limit down [1] - The leading sectors for limit-up stocks included basic chemicals, computers, and electronics, with 6, 6, and 5 stocks respectively [1] Notable Stocks - Zhongyou Capital (000617) had the highest limit-up order volume with 13433.53 million shares and a closing price of 10.87 yuan [1] - Yuyin Co. (002177) and Shenzhen Huachuang (000062) also had significant limit-up orders, with 8606.43 million shares and 2204.86 million shares respectively [1] - The highest limit-up order funds were for Zhongyou Capital (1.46 billion yuan), Yuyin Co. (782.32 million yuan), and Shenzhen Huachuang (715.70 million yuan) [1] Continuous Limit-Up Stocks - Kosen Technology (300626) has achieved 5 consecutive limit-up days, the highest among all stocks [1] Industry Insights - The non-banking financial sector, computer industry, and electronic industry showed strong performance with multiple stocks hitting the limit up [1] - The basic chemicals sector also had a notable presence among the limit-up stocks [1]

Market Overview - The three major indices collectively rose, with the Shanghai Composite Index up by 0.35%, the Shenzhen Component Index up by 0.45%, and the ChiNext Index up by 0.21%. However, the North China 50 Index fell by 0.96% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.5912 trillion yuan, an increase of 56.2 billion yuan compared to the previous day. Over 2,500 stocks in the market experienced gains [1] Sector Performance - The cross-border payment, oil and gas exploration and services, and combustible ice sectors showed strong performance, while the PCB concept and liquid cooling server sectors experienced adjustments [2] - The cross-border payment sector was particularly strong, with companies such as Sanwei Xinan and New Morning Technology hitting the daily limit, along with Zhongyou Capital and Tianrongxin also reaching the daily limit [2] - The oil and gas exploration and services sector saw gains, with Huaiyou Co. hitting the daily limit [2] - The combustible ice sector performed well, with companies like Xinjing Power and Shenkai Co. rising over 8% [2] - Conversely, the PCB concept weakened, with Chongda Technology nearing the daily limit down [2] - The liquid cooling server sector also declined, with companies like Tenglong Co. and Jintian Co. hitting the daily limit down [2]

Group 1 - The digital currency sector continues to strengthen, with companies such as Jingbeifang, Zhongyou Capital, Sanwei Xinan, Tianrongxin, and Xincheng Technology hitting the daily limit up [1] - Sifang Jingchuang has increased by over 12%, reaching a historical high [1] - Other companies like Kechuang Information, Tianyang Technology, Jinyi Culture, Xinan Century, and Cuiwei Co. also experienced gains [1]

Market Overview - On August 21, digital currencies and RWA concepts experienced a collective surge, with multiple stocks hitting their daily limit up, including Yuyin Co., Tianrongxin, and Zhongyou Capital [1][2] Event Highlights - The Hong Kong Stablecoin Regulation officially came into effect on August 1, marking the world's first comprehensive regulatory framework specifically for fiat-backed stablecoins, which is expected to inject compliance momentum into the digital asset market and open new opportunities in cross-border trade and supply chain finance [3] - The RWA registration platform was launched on August 7, initiated by the Hong Kong Web3.0 Standardization Association, aiming to facilitate the entire process of dataization, assetization, and financialization of RWA assets [3] Institutional Insights - RWA's advantages include increased efficiency and reduced costs, aiding financial globalization and decentralization, with tokenized securities transforming illiquid assets into essential on-chain tools [4] - Several representative asset categories have emerged in practice, including financial assets like gold and bonds, as well as renewable energy assets and intangible assets like carbon credits and intellectual property [4] - Financial institutions are exploring ways to engage in the RWA ecosystem, with commercial banks issuing on-chain deposits or stablecoins to mitigate risks and providing custody and settlement services for large stablecoin issuers [5]

Core Viewpoint - The A500 index has reached a new high in 2025, indicating a positive market trend, with various sectors showing potential for investment opportunities despite some areas being overheated [4]. Group 1: A500 Index Performance - As of August 21, 2025, the A500 index increased by 0.05%, with notable stocks such as Oil Capital and Zhaoyi Innovation showing significant gains [1]. - The A500 index has risen by 1.2% as of August 20, 2025, marking a new annual high [4]. Group 2: A500 ETF Performance - The A500 ETF managed by Jiashi has a trading turnover of 3.35% and a transaction volume of 4.23 billion yuan [3]. - The latest scale of the A500 ETF is 125.83 billion yuan, with a net value increase of 10.43% over the past six months [3]. - Since its inception, the A500 ETF has achieved a maximum monthly return of 4.48% and a longest consecutive monthly gain of 3 months, with a total increase of 10.04% [3]. Group 3: Top Weighted Stocks - As of July 31, 2025, the top ten weighted stocks in the A500 index include Kweichow Moutai, CATL, and Ping An Insurance, collectively accounting for 19.83% of the index [3]. - The performance of these stocks varies, with Kweichow Moutai down by 0.38% and Longjiang Power up by 0.69% as of the latest data [6]. Group 4: Market Sentiment and Future Outlook - Despite the index reaching new highs, most industries remain in a moderate congestion zone, suggesting no overall market overheating, with opportunities for investment in lower congestion sectors [4]. - The ongoing reforms in the capital market aimed at improving investor returns are expected to reshape perceptions of Chinese assets and contribute to a "transformation bull market" [4].

Market Overview - The A-share market opened with all three major indices rising, with the Shanghai Composite Index up by 0.12%, continuing to reach a 10-year high [1] - The Shenzhen Component Index increased by 0.33%, while the ChiNext Index rose by 0.28% [1] Sector Performance - The cross-border payment concept saw significant gains, with Tianrongxin hitting the daily limit, and Zhongyou Capital and Sifang Jingchuang both rising over 9% [1] - Brokerage stocks experienced a broad rally, with Zhongyin Securities increasing by over 5%, and Hatou Securities and Dongxing Securities both rising over 3% [1] - The photovoltaic equipment sector faced adjustments, with Huamin Co. dropping over 4% and Yamaton falling over 3% [1] - The rare earth permanent magnet concept initially declined, with Jintian Co. falling over 8% and Dongfang Zirconium dropping over 5% [1]