Want to bet against your house? It's been possible ever since the Chicago Mercantile Exchange launched house-price futures and options in 2006. But futures and options aren't investment products for the masses. So MacroMarkets, co-founded by economist Robert Shiller, plans this month to offer the first exchange-traded funds bought and sold like stocks that will allow buyers to bet on whether house prices will rise or fall.
Next 13. The Memristor