多只基金连发风险提示；债券类ETF规模突破2500亿元

Group 1 - Multiple funds have issued risk warnings due to significant increases in premium rates for cross-border ETFs and LOF funds, with 21 risk warning announcements made in April alone [1] - The total scale of bond ETFs has surpassed 253.65 billion RMB, marking a growth from over 200 billion RMB in February [1] - Several hedge strategy funds have set limits on their scale during the open period, with a total scale cap of 2.3 billion RMB for the Huaxia Antai Hedge Strategy Fund [1] Group 2 - Notable fund manager Ma Long has officially joined Tianhong Fund, focusing on fixed income research and fund management after a silent period [2] Group 3 - The ETF market has seen strong performance in sectors such as insurance, shipping ports, and logistics, while sectors like photovoltaic equipment and aerospace have experienced pullbacks [3] - The New Economy ETF has reached a limit-up, with related ETFs in securities and insurance also showing strong performance [3] Group 4 - The DeepSeek and various Chinese tech companies' innovations have bolstered global capital confidence in Chinese tech firms within the AI industry, indicating that Chinese tech internet companies remain undervalued compared to their overseas counterparts [6]