Core Viewpoint - Shanghai Construction (600170) experienced a significant drop in stock price, closing at 3.49 CNY, a decline of 10.05% after reaching a new high of 3.88 CNY just a day prior, highlighting volatility in the stock market and investor sentiment [1][3]. Group 1: Stock Performance - On September 19, Shanghai Construction hit the daily limit down, with a net outflow of 660 million CNY from major investors [1]. - The stock had previously achieved five consecutive trading days of gains, reaching a peak of 3.88 CNY, the highest since November 2015 [1][3]. - The trading volume was notably high, with turnover rates of 24.68% and 25.83% on September 17 and 18, indicating active trading and speculation [3]. Group 2: Investor Sentiment - A prominent investor, referred to as "Construction Uncle," celebrated a long-awaited recovery after holding shares since 2013, having initially purchased at 6 CNY per share [1][2]. - The investor's commitment included monthly investments from retirement funds to lower the average cost per share to approximately 3.8 CNY [1][2]. - The community rallied around "Construction Uncle," with a movement to support his recovery, reflecting strong social media engagement and investor camaraderie [2][3]. Group 3: Company Financials - In the first half of 2025, Shanghai Construction reported total revenue of 105 billion CNY, a year-on-year decline of 28.04%, with net profit decreasing by 14.07% [2]. - The traditional construction contracting business saw a significant revenue drop of 30%, while the only growth came from gold sales, contributing 4.03 billion CNY, which accounted for only 1.68% of total gross profit [2].

以目前上海建工股价计算，距离爷叔解套仅差2角7分钱。这意味着，若上海建工明日涨幅大于7.65%，爷叔就可成功解套。拉长时间来看，这也是2022年 以来，爷叔最接近解套的时刻。 9月17日，上海建工的成交额已达74亿元，换手率24.68%。 9月15日晚，上海建工已提示交易风险：有媒体报道称上海建工控股子公司拥有的科卡金矿资源储量增加了33.89万盎司，此消息为前期已披露信息，不属 于近期信息。且公司黄金业务收入占公司营业收入比例较低，历年均不超过营业收入的0.5%，对公司生产经营影响较小。 除了上述旧闻外，坚定持有上海建工股票的网友"上海建工爷叔"(简称爷叔)也成为相关热门话题。 9月17日，"人气股"上海建工（600170）(600170.SH)开盘后震荡上行，两度触及涨停。截至收盘，上海建工涨停，报3.53元/股，总市值至313.67亿元。此 前的三个交易日，上海建工连续收获涨停，股价创年内新高。 据网上说法，爷叔十年来始终用退休金按月补仓，其上海建工股票的持仓成本也从6元/股一路降至3.8元/股，但至今依旧未能解套。一些投资者交流平台 上，诸如"拯救爷叔行动"之类的话题也吸引着投资者参与讨论。 ...