Group 1 - The three major indices opened lower, with the securities sector experiencing a slight decline [1] - The broker ETF (159842) saw a decrease of 0.34% with a trading volume exceeding 300 million yuan and a premium rate of 0.01% [1] - Among the constituent stocks, only Guosen Securities, First Capital Securities, Great Wall Securities, and GF Securities showed gains [2] Group 2 - The broker ETF recorded a net inflow of over 12 million yuan yesterday, accumulating over 1.06 billion yuan in the last ten trading days [2] - Several foreign institutions have expressed optimism about A-share growth, with firms like Goldman Sachs and JPMorgan predicting a bullish market outlook [2] - According to the analysis, the securities sector is currently undervalued, with strong earnings growth expected to support further valuation increases [2]