美国投资公司协会（ICI）：美国货币市场资产降低至7.07万亿美元。

Group 1 - The core point of the article is that the assets in the U.S. money market have decreased to $7.07 trillion [1] Group 2 - The decline in money market assets indicates a potential shift in investor behavior and market dynamics [1] - The current asset level reflects a significant change compared to previous periods, highlighting trends in liquidity and investment preferences [1]