市场消息：前Citadel交易员Marcheggiano将成立一只价值10亿美元的对冲基金。

Group 1 - The core point of the article is that former Citadel trader Marcheggiano is set to establish a hedge fund valued at $1 billion [1] Group 2 - The hedge fund will focus on investment strategies that leverage Marcheggiano's experience in trading [1] - The establishment of this hedge fund indicates a trend of experienced traders moving to create their own investment vehicles [1] - The $1 billion valuation suggests significant investor confidence in Marcheggiano's capabilities and market insights [1]