How can you invest in artificial intelligence (AI) without having to pick specific AI stocks? It's simple: Buy an exchange-traded fund (ETF) with a heavy concentration in AI stocks.

Vanguard has long been a favorite with investors because of its low-cost funds. The investment firm doesn't have any purely AI-focused ETFs. However, here are three magnificent Vanguard ETFs to buy that are loaded with top AI stocks.

Arguably, the closest thing Vanguard has to a pure play AI fund is its Vanguard Information Technology Index Fund ETF (NYSEMKT: VGT). As its name indicates, this ETF focuses on information technology (IT) stocks.

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Source Fool.com