Apple remains Buffett's biggest public stock holding, but his thesis about its moat faces questions

Berkshire Hathaway has been amassing a stake in Apple since 2016, and now owns about 6% of the iPhone maker.

Apple remains Buffett's biggest public stock holding, but his thesis about its moat faces questions
Berkshire Hathaway has been amassing a stake in Apple since 2016, and now owns about 6% of the iPhone maker.