多家银行在巴黎限制某些股票衍生品交易，他们对法国税法感到忧心忡忡

Group 1 - Major banks have restricted certain trading activities related to French equity derivatives on the Paris Stock Exchange due to uncertainties surrounding dividend tax law [1] - The banks taking these measures include Bank of America, BNP Paribas, Crédit Agricole, Goldman Sachs, and JPMorgan [1] - These actions are a response to confusion regarding the expanded scope of French law that took effect in February [1]