To put things into perspective $159bn is exactly the market valuation of Facebook! Or the valuation of the entire US car industry... Basically Apple has so much cash that the company does not know what to do with it, and the best guess (since there is more cash coming in at the same amazing rate) is that the company will keep on distributing more and more to the shareholders. Apple has now a dividend yield of 2.38% and it is growing. In addition Apple is one of the most actively traded companies in the market with an extremely liquid stock market + derivative markets.
Our recommendation to exploit these facts:
1- Buy the stock and keep it
2- Get paid for every dividend paid out
3- Boost your return by selling short-term covered calls which are out-of-the money (ie above Apple's current trading price).
4- Hedge yourself against possible downturns buying long-term put options which deep out-of-the-money