The answer could depend on your investing time horizon.Have you ever seen a puzzle that asks you to identify what doesn't seem to belong in the picture? That comes to mind when I look at the list of stocks with market caps of $1 trillion or more.Only 10 companies (and 12 stocks, because two have multiple share classes) are members of the trillion-dollar club. All of them have artificial intelligence (AI) pedigrees except one: Berkshire Hathaway (BRK.A 0.55%) (BRK.B 1.06%). While Berkshire is an outlier in t ...