I sometimes wonder if Apple knows more about investing than they let on? They obviously care about money. Why would they let billions sit around in cash? I

I sometimes wonder if Apple knows more about investing than they let on? They obviously care about money. Why would they let billions sit around in cash? I won't even speculate, but here's a graph of their horde of cash and when we gave it to them. Yes, I said we(the world of course). (Don't want to offend anyone concerning Apple.) http://www.engadget.com/2014/05/22/charting-apples-growing-stockpile-of-cash/ http://www.engadget.com/2014/05/22/charting-apples-growing-s...