
Are the following mentions coreferent?:
<m> offers </m> in RBC Capital Markets downgraded ATI Technologies to sector perform from outperform after Advanced Micro Devices announced its intention to buy the Canadian graphics chip-maker for $ 5.4 billion. 
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<m> deal </m> in Yesterday Advanced Micro Devices Inc. ( AMD ) announced its purchase of Canada-based graphics chips maker ATI Technologies Inc. in a US $ 5.4 billion deal that many said would help AMD compete more effectively with Intel Corp., its largest-in-the-world rival. 