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

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.

harmongreg
Premium Service and free blog at Dragonflycap.com, Professional Stock and Option trader, long time finance guy - Stock loan, repo, swaps, options as well

Ritholtz
http://www.ritholtz.com/blog/barry-ritholtz-curriculum-vitae/

reformedbroker
This is the personal StockTwits account of Joshua Brown, it is not in any way connected to his vocation or professional designation.

behaviorgap
Real Name: Carl Richards. Goal: Trying to ask the right questions about money...using a Sharpie

CNBCMelloy

abnormalreturns
Tadas Viskanta, Founder and Editor of Abnormal Returns. Author of Abnormal Returns: Winning Strategies from the Frontlines of the Investment Blogosphere.

StockTwits
Welcome to StockTwits, Home of the Human Ticker, Real Time Pulse of Markets & Indispensable Sentiment Machine. Use StockTwits To Catch Up Fast or Dive Deep into open analysis and debate.