潮新闻客户端 记者 许嵘 A股三大指数今日集体回调，截至收盘，沪指跌0.65%，深证成指跌1.76%，创业板指跌2.60%。沪深两 市成交额超过2.1万亿，较昨日缩量逾2200亿。 盘面上，游戏板块下挫，吉比特跌停；英伟达概念走低，麦格米特跌近8%；CPO、光通信模块震荡下 行，杭电股份跌停；激光雷达、消费电子及铜缆高速连接等板块跌幅居前。另外，风电设备、化学纤 维、农化制品、大豆、纺织制造、军工装备板块涨幅居前。其中，风电设备板块走高，威力传动、明阳 智能涨停；化纤板块拉升，神马股份涨停；农药兽药板块活跃，蓝丰生化涨停；化肥、人造肉及绿色电 力等板块涨幅居前。 个股方面，全市场1805只股票上涨、3414只股票下跌，其中58只涨停、24只跌停。 有分析人士指出，市场可能存在两大变数。 首先，美元指数最近意外强势，昨晚反弹至98上方，全球风险偏好继续降温。同时，美国第二季度GDP 被大幅上修以及美国至9月20日当周初请失业金人数录得21.8万人，为2025年7月19日当周以来新低。这 一数据弱化了美联储降息预期。而美股高估的讨论也在进行当中，近期亦是持续走弱。 二是A股风格偏向极致，多头格局个股数持续缩圈，截 ...

Market Seasonality - August typically exhibits lackluster returns, being the third worst month of the year with median returns under 05% [2] - The percentage of positive returns in August is around 54%, which is below the preferred threshold of 70% [3] - Historical patterns suggest a potential market stumble in early October, with increased volatility in September and caution advised for September, October, and November [7] - Early August may start with a negative trend, but both models (since 1928 and 1990) indicate a climb out of negative territory later in the month [8] - The model since 1990 suggests positive territory around the 15th or 16th of August, while the model since 1928 indicates earlier positive movement and a slightly higher month-end [9] US Dollar Index Seasonality - The US dollar index model, based on data since 1971, indicates an upward trend from late July into early August, continuing into early October [11] - A stronger US dollar can potentially disrupt risk markets, posing an impediment to stocks, commodities, and crypto [12] External Factors - New tariff news or a dovish Federal Reserve (Fed) policy this week could significantly influence market direction [10] - Events like tariffs and presidential policies can override typical seasonality patterns [4][5]