The current supplier of graphics chips for iPhones, Imagination Technologies, is fighting back against Apple after the Cupertino company previously announced that it would develop its own graphics solutions within two years. If that were to come true, Apple wouldn't buy chips from Imagination after that time, and this perspective has tanked that company's shares recently. Its stock price went down by more than half within a single day of Apple's revelation, and has only lowered since. To be able to fight back, Imagination is selling off two businesses, one which is focused on embedded...
Source: http://www.gsmarena.com/iphone_supplier_imagination_technologies_says_apple_cant_make_gpus_without_infringing_its_patents-news-24884.php