One of Morgan Stanley's funds bought over 28,000 shares of Grayscale Bitcoin Trust.The investment bank's indirect exposure to Bitcoin was an allocation of $1.3 million at the time of purchase.Morgan Stanley has given the green light to several funds to invest up to 25% of total assets in BTC-related products.Wall Street investment bank Morgan Stanley reportedly bought back … [Read more...] about Morgan Stanley Holds Significant Stake in Grayscale Bitcoin Trust, SEC File Revealed