For those with a financial stake in water, drought can mean boom or bust, depending on the investment. And even without a specific market to trade water, there are numerous ways to invest in it – from buying land with water rights to stocks in water-dependent companies to municipal bonds. Take Michael Burry, for instance, the hedge fund manager featured in the book and movie “The Big Short” who outsmarted the subprime housing market crash. The end of the movie includes the line: “Michael Burry is focusing all of his trading on one commodity: Water.”