CAMBRIDGE, Mass.--(BUSINESS WIRE)--Helicos BioSciences Corporation (NASDAQ: HLCS), announces that Stan Lapidus, President and CEO, will ring the closing bell at the NASDAQ Stock Exchange at 4:00 p.m. EST today. A live Webcast of the presentation will be available at: http://www.nasdaq.com/reference/marketsite_about.stm and photographs of the event will be available at: http://www.nasdaq.com/reference/marketsite_events.stm.
