Mark Hulbert is a columnist for MarketWatch. His Hulbert Ratings service tracks investment newsletters that pay a flat fee to be audited.

Barbara Kollmeyer is based in Madrid, where she leads MarketWatch's pre-markets coverage of financial markets and writes the Need to Know column. She has worked in London and Los Angeles for ...

Barbara Kollmeyer is based in Madrid, where she leads MarketWatch's pre-markets coverage of financial markets and writes the Need to Know column. She has worked in London and Los Angeles for ...