consolidation
Sadly the way we are going there will only be a dozen or so high volume fabs in the world by 2025. None will probably be located in the western world either (except maybe for TI lol).
Taiwan Semiconductor Manufacturing Company (TSMC) reported sales for January 2015 that were the highest of any single month in its history, amid rising demand for silicon for graphics and mobile computing. TSMC said [PDF] on Tuesday that its net revenues for January hit $2.76bn in US dollars – a company record and a whopping …
This wouldn't affect TSMC's (or Samsung's) revenue now, since they wouldn't go into full production until mid summer at the earliest, assuming the usual late September launch for the next iPhone.
But even Apple's considerable volumes are a drop in the bucket for TSMC. They dwarf the production capabilities of Samsung or even Intel.