We know that financial product developers have thought about introducing a "Warren Buffett ETF," not because the investing public really needs it, but because there's no shortage of dubious ideas. Interestingly, though, financial marketers might not have to invent a Buffett ETF because one already exists.
In November, Buffett plowed $10.7 billion into IBM for a 5.4 percent stake. It's Buffett's first foray into the technology sector, which he has purposely avoided throughout his illustrious career. Who needs iPads when you can have razor blades?
