Research In Motion (RIMM +4.7%) rallies as CEO Thorsten Heins tries to rally the faithful at RIM's developer conference. Heins promises carrier testing for BlackBerry 10 devices will begin next month (sales are due to begin in Q1), and shows off a feature called BlackBerry Hub, which aggregates e-mail, social networking content, and other time-sensitive data. He also claims RIM's subscriber base has risen by 2M in recent months to 80M (no doubt thanks to emerging markets) - analysts have been forecasting a decline. (live blog)