发行规模超400亿元，第二批14只科创债ETF集中成立，科创债ETF博时(551000)冲击6连涨，最新规模创成立以来新高

Group 1 - The core viewpoint of the news is the significant growth and development of the Sci-Tech Bond ETF market in China, with the recent issuance of 14 new ETFs totaling 407.86 billion yuan, contributing to a total market size exceeding 1.7 trillion yuan [3] - The latest price of the Sci-Tech Bond ETF by Bosera is reported at 99.56 yuan, marking a slight increase of 0.01% and achieving a six-day consecutive rise [3] - The trading volume for the Sci-Tech Bond ETF by Bosera shows a turnover of 0.17% with a transaction value of 18.04 million yuan on the day of reporting, while the average daily transaction over the past year is 2.219 billion yuan [3] Group 2 - The total scale of the bond ETF market has surpassed 600 billion yuan, indicating a robust growth trajectory for bond ETFs in general [3] - The Bosera Sci-Tech Bond ETF has reached a new high in scale at 10.471 billion yuan since its inception, reflecting strong investor interest [3] - Over the past five trading days, the Bosera Sci-Tech Bond ETF has attracted a total of 458 million yuan in inflows, indicating positive market sentiment [3]