Signet Jewelers Ltd. stock advanced 7.6 percent to $45.93, the highest price since July 14. The retailer of jewelry and watches will replace Varian Semiconductor Equipment Associates Inc. (VSEA US) in the Standard & Poor’s MidCap 400 Index after the close of trading on Nov. 10. Varian is being acquired by Applied Materials Inc. (AMAT US) in a deal expected to be completed around that date.
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