(4-traders.com) Rainmaker Systems, Inc. (OTCQX: RMKR), a leading provider of external, for-profit based learning management solutions, today provided an update on the momentum of its ViewCentral LMS business. The Company is reporting 29% average quarter/quarter bookings growth in the year ending December 31, 2014. ...http://www.4-traders.com/news/Rainmaker-Systems-Inc--Announces-Substantial-Bookings-Growth-in-2014-for-ViewCentral-LMS--19801634/