Following the money

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Trump’s attitude to the stock markets varies. When the US stock markets are riding high, Trump is quick to claim it as a vindication of his brilliant economic policies. When they take a dive (as they have done a few times recently, usually in response to wildly fluctuating tariff policies), he claims that he doesn’t pay any attention to what the markets are doing. If his chosen indicator doesn’t show the result he wants, then (like Groucho Marx with principles) he has others.

Whether a stock market movement in a particular direction is a good thing or a bad thing depends on one’s perspective, but it really isn't a very good measure of economic success. For those whose wealth is measured largely in terms of the value of shareholdings – such as, to pick names almost entirely at random, Elon Musk or Donald Trump – a fall in share prices can suddenly make you look a lot poorer, whilst a rise can make you look a lot richer. So: from that perspective, rising share prices good, falling share prices bad. On the other hand, for a wealthy person who wants to acquire more wealth, falling share prices creates good opportunities to buy up assets cheaply, especially if you know, or have reason to believe, that any fall (such as that induced by an on-off tariff policy sending prices yo-yoing) will be followed by a rise. And that’s true, even if there is no insider trading happening.

It underlines one of the issues with a casino-style stock market. Traditional economic theory suggests that the stock market is a means of matching available capital with investment opportunities, but it’s long since become divorced from that (which is why the government’s floated suggestions of replacing cash ISAs with stocks and shares ISAs do not achieve the aim of getting people to invest in businesses). In a casino stock market, share prices no longer bear any clear relationship to the value of the underlying assets. For some investors, there is at least a partial relationship with expected future profit flows in the form of dividends, but day to day share prices depend mostly on expectations of the way those prices will move, with the gamblers and speculators more interested in making money from large and frequent trades on small marginal changes in share price than in the future prospects or dividends of the company whose shares are being traded.

The result is that there are a small number of people making a great deal of money out of Trump’s capriciousness. By what I’m sure is nothing more than complete coincidence, many of them will be among Trump’s donors and supporters. Who’d have thought it?