Dear Mr. Berko: Our neighbor is an engineer. He's a bright, well-read 76-year-old, and he's nobody's fool. He was telling us about a drug called metformin, which he says delays the aches and pains of advancing age and postpones many of the devastating diseases that...

By Julie Neitzel Many investors are not aware that the financial services industry operates under two main standards of care: suitability and fiduciary. Depending on which of these two operating standards applies, an advisor may be allowed to recommend investments with poor performance records, or those...