光伏概念股走弱，光伏相关ETF跌超3%

Group 1 - The photovoltaic concept stocks have weakened, with major companies like Sunshine Power and TBEA falling over 5%, while LONGi Green Energy, Tongwei Co., and Deye Co. dropped more than 3% [1] - Related photovoltaic ETFs have also declined, with an overall drop exceeding 3% [1] Group 2 - Specific ETF performance includes: - Photovoltaic ETF Index Fund at 0.732, down 3.56% - Photovoltaic 50 ETF at 0.779, down 3.47% - Photovoltaic ETF Fund at 0.761, down 3.43% - Other ETFs also showed similar declines ranging from 3.04% to 3.38% [2] - Some brokerages believe that the photovoltaic industry is still undervalued historically. Future measures regarding product sales price, mergers and acquisitions among companies, increased industry entry barriers, and improved product quality standards are expected to be implemented [2] - The competitive landscape and industrial chain ecology of the photovoltaic industry are anticipated to improve, presenting opportunities for valuation recovery [2]