Artificial intelligence has been a dominant theme across the business world and ... probably the most surprising thing was ...

This theme is just starting as new factories crop ... "Everything else at this point seems to me to be hype, or potential and we don't own those companies. We own what's obvious," he said.

With new technologies popping up every year, how are investors to know which will live up to their hype and which will ... Never invest money you can't afford to lose.