IPOtweet
Founded in 1991, Renaissance Capital is the global leader in providing institutional IPO research. The Firm maintains the FTSE Renaissance IPO Index Series and provides IPO-focused investment management services as advisor to the Global IPO Fund.

MParekh
htttp://mp.blogs.com/about.html

jkings1
Market commentator with focus on Gold and Silver after long broadcast career @ FNN, Bloomberg, and Fox. #RandomHouse published author on PMs. Regular Options trader.

upsidetrader
Full time trader. On Wall St. for over twenty years. Founder long/short hedge fund. Currently manages private accounts and personal money with a long/short strategy. To request my performance, e-mail me at upsidetrader@gmail.com

robpas
20-years on Wall Street in the gray zone between business, technology and research. A veteran of Morgan Stanley, JP Morgan, Merrill Lynch, Chase, and Bear Stearns

derekhernquist
Price-based Speculator

infoarbitrage
Managing Partner of Big Data VC fund, IA Ventures. Former CEO of DB Advisors and derivatives professional.

splatf
SplatF is a new website from technology writer Dan Frommer (@fromedome)

Techinsidr
Former Financial Analyst at a major technology company. I now trade stocks and write a finance/investing blog at techinsidr.com. http://techinsidr.com

hertcapital
Professional Trader - @seeitmarket Contributor

alphatrends
Pro trader. Author of Technical Analysis Using Multiple Timeframes. Most stocks I mention on stockwits are short term.

GregorMacdonald
Editor of www.terrajoule.us | Stocktwits Alum. | Cited in the New York Times, Los Angeles Times, WIRED, Toronto Globe and Mail, Foreign Policy, MoneyWeek UK, Oil And Gas Journal. | Energy Journalist: Economist Intelligence Unit, Petroleum Economist.

ToddSullivan
Co-Founder and General Partner at Rand Strategic Partners, and author of ValuePlays. Over 20 years investing and research experience. Angel investor in @Estimize & @milehiorganics Backer of "Follow Friday the Film" & "Money for Nothing"

sorenmacbeth
StockTwits Co-founder, Currency Speculator, Lover of Probability and Statistics.

Marissa

howardlindzon
Founder and CEO of Stocktwits, Founder of Wallstrip (Acquired by CBS), Managing Member of Lindzon Capital Partners (Hedge Fund) and Managing Member of Social Leverage (an early stage web holding company) ...I have lot's of ideas. Toronto boy.

stevenplace
Professional derivatives trader, focusing on equity options. Dabble in forex, futures, and tulip bulb swaps.