Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

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 ...

WASHINGTON -- For most people, being known as a fabulously wealthy investor, prominent global philanthropist and outspoken critic of the current occupant of the White House would constitute sufficient ...

THE continued outperformance of stock markets around the world, led by Wall Street, has been a source of wonder, and possibly awe among many investors. In the early part of this year, it was easily ...

This refers to the circular relationship between cause and effect in certain social phenomena. Both the cause and effect are mutually reinforcing, thus making it harder to delineate the two. In the ...