Has the U.S. gone mad? At least a dozen sources – from hedge-fund managers in New York to equity salespeople in Hong Kong and private bankers in Shanghai – found themselves asking this question after Bloomberg News reported Friday that the Trump administration is discussing ways to limit U.S. investment into China. The possible measures proposed are sweeping, including a halt to China Inc. listings in New York and limiting how much U.S. government pension funds can invest in mainland markets. Within 24 hours, a Treasury official said there aren’t any current plans to ban Chinese companies from U.S. exchanges