RIM Ltd.'s BB10 first-quarter device shipments fell short of RBC's estimate by 800,000, RBC Capital Markets analyst Mark Sue said in a note to clients. RIM, operating as BlackBerry, reported first-quarter revenues that were short of market expectations and BB10 shipments that were 800,000 below RBC's forecast of 3.5 million, Sue said in the note issued June 28. Those numbers were also below a general consensus of three million BB10 shipments in the quarter, he said. “Competition remains intense and BlackBerry has a significantly diminished market presence with just 3% share, down from 20% at its peak,” Sue said. “BB10 is now available in nearly 150 countries around the world. However, carriers appear reluctant to stock inventory, pending stronger end user...