
Are the following mentions coreferent?:
<m> announced </m> in AMD ( NYSE : AMD ) today announced it has signed a definitive agreement to acquire SeaMicro, a pioneer in energy - efficient, high - bandwidth microservers, for approximately $334 million, of which approximately $281 million will be paid in cash. 
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<m> announced </m> in The pitched battle for supremacy in the chip-making market reached a critical phase yesterday with Advanced Micro Devices ( AMD ) in Sunnyvale, Calif. announcing its decision to acquire Canadian graphic cards manufacturer ATI Technologies ( ATI ). AMD agreed to buy Markham, Ont-based ATI for around $ 5.4 billion in cash and stock, the companies announced Monday. 