Berkshire Hathaway has compounded shareholder capital at nearly 20% annually since the 1960s. Such a fantastic track record means the conglomerate is doing something right. And investors take notice.

Investors have been watching Berkshire Hathaway's (NYSE: BRK.A)(NYSE: BRK.B) cash position balloon to its highest levels ever ...

But maybe that’s why Walmart’s “landmark” (its word) announcement last week that it will spend $6.5 billion expanding its investment in Canada, including “dozens of new stores across the country” plus ...