George Soros (Trades, Portfolio) has a fantastic reputation of being one of the greatest investors. He has attributed his success to a theory he started developing back in the 1950s. This theory ...

Physicists have known for decades that the process of observing and measuring phenomena changes those very phenomena—the so-called “observer effect." It does not even matter whether the “observer” is ...

Simply sign up to the Global Economy myFT Digest -- delivered directly to your inbox. In the course of my life, I have developed a conceptual framework which has helped me both to make money as a ...