pointsnfigures
blogs at pointsandfigures.com. Co-founded Hyde Park Angels Starting a different kind of VC at westloopventures.com, ping me for details.

LinkedIn
Founded in 2003, LinkedIn connects the world's professionals to make them more productive and successful. With more than 225 million members worldwide, LinkedIn is the world's largest professional network on the Internet.

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

JimCramer
I am co-founder and chairman of TheStreet. I run the charitable trust portfolio, Action Alerts PLUS, and host CNBC's Mad Money television program.

MarketWatch
Tracking the pulse of the markets. Get business news, personal finance information and real-time commentary from MarketWatch.

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.