Founded: 2006
President: John Alexander
Members: 40
Fund size: $2 million
Portfolio companies: Alvarri, EcoEnvelopes, ReconRobotics, Vixar
Website: www.tcangels.com
Founded: 1998
President/CEO: Steve Mercil
Total investments: $33 million (from a network of 23 individual funds)
Portfolio companies: Acumen Health Solutions, Humanetics Corp., Sage Electrochromics
Website: www.rainsourcecapital.com
Founded: 2006
Chairwoman: Cathy Connett
Members: 31
Fund size: $1 million
Portfolio companies: Tactile Systems Technology, Coolibar, New Moon Girl Media
Website: sofiaangelfund.angelgroups.net
The U.S. stock market roared back on Friday, as technology stocks recovered much of their losses from earlier in the week and bitcoin halted its plunge, at least for now.
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
