
Are the following mentions coreferent?:
<m> announced </m> in Yesterday Advanced Micro Devices Inc. ( AMD ), a leading global CPU maker, 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. 
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<m> announced </m> in Advanced Micro Devices on Wednesday announced a deal to acquire startup SeaMicro, a maker of microservers and data center fabric technology, for $334 million. 