,,Ten years ago, Caulfield said there were 10 companies investing in research and development and manufacturing to develop the leading edge of semiconductor wafers. Today there are four - TSMC, GlobalFoundries, Intel and Samsung.
"This becomes the natural pruning or selection of how value changes in an ecosystem have to evolve to maintain its competitiveness," Caulfield said.
http://www.bizjournals.com/albany/news/2015/04/16/natural-selection-of-semiconductor-business-keeps.html