โ€œYou never know who is swimming naked until the tide goes out.โ€ โ€“Warren Buffett

CNBC reports here that Buffett sold large stakes in Delta Airlines and Southwest Airlines last week.

Berkshire now holds just under 9% of each firm.

The chart below shows the prices of Southwest and Delta shares.

Somebody has apparently been swimming naked.

Who knew that dirty dog from Omaha was a skinny dipper!