Group 1 - The bond index fund market has rapidly developed in the first half of the year, reaching a total scale of 1.49 trillion yuan by the end of June [1] - Out of the total, the scale of off-exchange bond index funds is 1.1 trillion yuan, accounting for 74%, while bond ETFs amount to nearly 390 billion yuan, making up 26% [1] - Major fund companies such as Bosera Fund, Southern Fund, and GF Fund have all surpassed the 100 billion yuan mark in their bond index funds for the first time [1] Group 2 - The popularity of on-exchange bond ETFs has surged, with Hai Fu Tong's bond ETF also surpassing 100 billion yuan in scale as of July 17 [1]