If Morgan Stanley wanted to avoid the taint of profiteering, could it not have provided further price support by using its profit here to buy more of the stock

If Morgan Stanley wanted to avoid the taint of profiteering, could it not have provided further price support by using its profit here to buy more of the stock in the open market? Of course, that would leave it with a long(er) position in a falling stock, but some would say that would be putting its money where its mouth has been.