Instead of speculating about individual winners, you should play the field.Investors have spent the past couple of years acquainting themselves with artificial intelligence (AI) and quantum computing. These emerging technologies could represent the most significant leaps forward for humankind since the internet decades ago.Of course, such groundbreaking technologies can be lucrative investment opportunities. The Defiance Quantum ETF (QTUM 1.06%) could be a smart way to add exposure to artificial intelligenc ...