The slow PC market last year had a slight impact on Intel's annual and quarterly results save for its IoT and DCG branches.
http://www.notebookcheck.net/Intel-reports-drop-in-net-income-for-2015.158216.0.html
If their market is slowing perhaps they should TRY releasing faster chips? The Broadwell GPUs were a downgrade from Haswell and Intel deserved to earn less because they sat on their laurels in 2015.