Warren Buffett's unusual gold bet could act as a great hedge against his 'hot beta' Apple stake

Warren Buffett
Gerard Miller | CNBC

Warren Buffett made an usual move last quarter — his company Berkshire Hathaway bought into gold miner Barrick Gold.

Though it's unusual for Buffett, who has bashed gold in the past, analysts say it can be a shrewd hedge against a frothy market as well as a hedge against a jump in inflation.

Here's a breakdown of the head-turning move: