市场情绪监控周报（20250901-20250905）：本周热度变化最大行业为商贸零售、电力设备-20250907

• The report introduces a "Total Heat Indicator" for monitoring market sentiment, defined as the sum of stock browsing, self-selection, and click counts normalized by market share on the same day, multiplied by 10,000, with a range of [0,10000][7] - A "Heat Rotation Strategy" is constructed based on weekly heat change rates (MA2), buying the index with the highest heat change rate at the end of each week, or staying out of the market if the "Others" group has the highest rate. The strategy achieved an annualized return of 8.74% since 2017, with a maximum drawdown of 23.5%, and a 35% return in 2025[13][15] - Two concept-based portfolios are created: the "TOP Heat Portfolio" selects the top 10 stocks with the highest heat within the top 5 concepts with the largest heat change rates, while the "BOTTOM Heat Portfolio" selects the bottom 10 stocks with the lowest heat within the same concepts. The BOTTOM portfolio historically achieved an annualized return of 15.71%, with a maximum drawdown of 28.89%, and a 39% return in 2025[29][31]