(Reuters) -Fidelity Investments is rolling out a major upgrade to its trading platform on Thursday to meet the rapidly growing demand for new tools by self-directed individual investors. The new ...

On a late September evening, with summer’s warmth still lingering in the New England air, about 200 of Fidelity’s most prized brokerage customers sipped cocktails, nibbled hors d’oeuvres, and chatted ...