创50ETF紧密跟踪创业板50指数，创业板50指数由创业板市场中日均成交额较大的50只股票组成，反映了创业板市场内知名度高、市值规模大、流动性好的企业的整体表现。
Spending on the titles increased by nearly a quarter in 2025, data from NielsenIQ BookData suggests. It was the best year for quiz books since records began in 1998, according to the company, which manages the ISBN and SAN agencies for the UK and Ireland.
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The announcement comes as Meta faces fire on another front. CEO Mark Zuckerberg took the stand in a Los Angeles courtroom this week to defend the company against allegations that its platforms are engineered to hook children for profit.
基于这个思路，World Labs 强强联手了中国一家炙手可热的仿真合成数据公司——光轮智能。