New York City is the largest central business district in the world. Silicon Alley, centered in Manhattan, has evolved into a metonym for the sphere encompassing the New York City metropolitan region's high technology industries involving the Internet, new media, telecommunications, digital media, software development, biotechnology, game design, financial technology (""FinTech""), and other fields within information technology that are supported by its entrepreneurship ecosystem and venture capital investments. In 2015, Silicon Alley generated over US$7.3 billion in venture capital investment across a broad spectrum of high technology enterprises, most based in Manhattan, with others in Brooklyn, Queens, and elsewhere in the region. High
Silicon Investor mail menu provides user access to messaging from other members. SubjectMarks helps users keep track of their favorite subjects and save favorite posts. PeopleMarks allows users to follow the postings of other Silicon Investor members. The Global Tools menu gives users access to basic and advanced search features, profile maintenance, user settings and custom stock portfolios, a new feature. Silicon Investor Silicon Investor is an Internet forum and social networking service that focuses on the stock market, particularly high tech stocks, and politics. It is currently owned and operated by Nevada-based Knight Sac Media Holdings. The website bills itself as