The DJIA rose 0.30% (+160 pts) on the day, but 15 of 30 members went the other way. GS and MRK carried the tape higher, contributing more than the entire move.
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Microsoft and Cisco moved almost identically (+0.90% vs +0.80%), yet MSFT moved the DJIA 5.0× as much. In a price-weighted index, a higher-priced share simply outvotes a cheaper one.
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