
Are the following mentions coreferent?:
<m> announced </m> in Advanced Micro Devices (NYSE : AMD) announced the largest acquisition in its history Monday, paying about $ 5.4 billion to acquire graphics chip specialist ATI Technologies. 
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<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. 