
Are the following mentions coreferent?:
<m> chip market </m> in Advanced Micro Devices Inc. shook up the personal computer industry by buying ATI Technologies Inc. for US $ 5.4-billion yesterday, opening up a new front in the battle with Intel Corp. to control the computer chip market. 
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<m> markets </m> in The acquisition will let AMD expand its position in the commercial desktop and mobile computing markets, two areas where the company has not had much success. 