Why is Merck & Co., Inc. stock down today?

May 20, 2026

Merck & Co., Inc.

MRK · NYQ · USD

$113

▼ 1.24 (1.09%)

vs. prev. close $114.24

Last updated May 20, 2026 20:00

Intraday Chart — 5-min intervals

📊

AI Summary

MRK · less than a minute ago

cached

Merck & Co., Inc. dips 1.09% — Investor's Business Daily reports

Merck & Co. , Inc. (MRK) is trading lower, at $113. 00 — down 1. 09% from yesterday's close of $114. 24. Today's move appears driven by recent headlines, including "How S&P Drug Titan Pfizer Plans To Outdo Its Own $6 Billion Franchise" and "EXEL Collaborates With MRK for Late-Stage Colorectal Cancer Study". News sentiment around MRK is leaning mixed.

The broader market is under pressure (S&P 500: +1. 1%, Nasdaq: +1. 5%, Dow Jones: +1. 3%, Shanghai: +0. 7%, Hang Seng: -0. 6%). Past performance does not guarantee future results.

Key Factors

1How S&P Drug Titan Pfizer Plans To Outdo Its Own $6 Billion Franchise

2EXEL Collaborates With MRK for Late-Stage Colorectal Cancer Study

3How Investors Are Reacting To Merck (MRK) TroFuse ADC’s Breakthrough Endometrial Cancer Phase 3 Trial Results

4🌐 Broad market: S&P 500: +1.1%, Nasdaq: +1.5%, Dow Jones: +1.3%, Shanghai: +0.7%, Hang Seng: -0.6%

Auto-generated analysis · Not financial advice

less than a minute ago

📰Recent News

8 neutral

⚠️ Disclaimer: The information on this page is for informational purposes only and does not constitute financial advice. AI-generated summaries may be inaccurate. Always conduct your own research and consult a licensed financial advisor before making any investment decisions. Past performance is not indicative of future results.

🌐Market ContextRisk-Off 📉

S&P 500

+1.08%

Nasdaq

+1.54%

Dow Jones

+1.31%

Shanghai

+0.74%

Hang Seng

-0.57%

Nikkei 225

-1.23%

FTSE 100

+0.99%

Nifty 50

+0.17%

DAX

+1.38%

OMX Stockholm

+1.24%

Search another stock