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

chessNwine
Full-time stock trader. Follow me at http://ibankcoin.com/chessnwine/

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

traderstewie
ArtOfTrading.net 15 years trading experience. Keep it simple. Price and volume is all you need. Everything else is just noise.

Hedgeye
Real-time Risk Management

bramsal
Intermediate Trader, CPA

afraidtotrade
Full-time professional trader, analyst, educator focused on intermarket analysis, classic technicals, and integration of trading strategies intraday (focus on edge)

PeterLBrandt
Peter L Brandt. Classical chart trader since 1981. Author, #1 book, Diary of a Professional Commodity Trader. Trading real markets with real money in real time.

The_Real_Fly
And just like that...he reappears.

Fibline
K.I.S.S.

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

WeeklyTA

LDrogen
Founder and CEO of Estimize, CIO of Surfview Capital, Formerly StockTwits Product and Biz Dev, hockey player, surfer, grill master

inflector
The Van Helsing of Chicago. I come to fight the Vampires of Finance and to slay them dead. I've been preparing war for two years... waiting for this day...

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

OptionsHawk
Active Options Trader - OptionsHawk.com Founder

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.

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"

paulwoll

TheArmoTrader
Day trader/UCLA Student. Planning on doing this for a lifetime.Goal is to improve each day.Follow trades @ your own risk! I could be in/out w/in seconds.