
Are the following mentions coreferent?:
<m> merger </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 ). ATI agreed to buy Markham, Ont-based ATI for around $ 5.4 billion in cash and stock, the companies announced Monday. 
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<m> merger </m> in Taiwan Semiconductor Manufacturing Co. (TSMC) shares rose yesterday after two of the world's largest chipmakers said their merger would not create a negative impact on the Hsinchu-based foundry, dispelling investors fears. Analysts also said the merger would cause a reshuffle in the global PC industry, affecting chip foundries including TSMC that manufacture Intel-based graphics chips for ATI on an original equipment manufacturing basis. 