Trump’s more than 3,700 trades provoke Wall Street astonishment

President Donald Trump’s latest financial disclosures show that he or his investment advisers made more than 3,700 trades in the first quarter, a flurry totaling tens of millions of dollars and involving major companies that have dealings with his administration. The transactions, spelled out in more than 100 pages of documents filed Thursday with the US Office of Government Ethics, list purchases and sales in broad ranges, making it hard to calculate an exact value. But the volume of trading — more than 40 per day over a three-month period — stands out as much as the potential dollar value….