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MRK
S&P 500
Merck & Co., Inc.
Oct 28, 2026
-0.63%
Rank
#345
of 514
Up Days
1
/5
Down Days
4
/5
Best Day
+0.86%
Worst Day
-3.21%
Last 5 Trading Days
Wed, Oct 28
-0.63%
Tue, Oct 27
+0.86%
Mon, Oct 26
-3.21%
Fri, Oct 23
-1.34%
Thu, Oct 22
-1.76%
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MRK - Merck & Co., Inc. Stock Performance on Oct 28, 2026 | Daily Stock Winner | Daily Stock Winner