NEW YORK ( TheStreet) -- Apple ( AAPL) has been an excellent stock for my buy-and-trade strategy. Looking back to Sept. 12 when I wrote
Legendary investor Warren Buffett tells CNBC that his Berkshire Hathaway group more than doubled its stake in Apple to around $17 billion.
I prefer revenue growth to corporate cash repatriation.
This surge in asset valuations can't continue forever.