worst performing sandp 500 stocks 8/20/2026

Moderna (MRNA) had the lowest return on August 20 by a US stock in the S&P 500 (GSPC), returning -11.2%.

ASSETDATE% RETURN
Moderna (MRNA)
8/20/2026
-11.2%
Intuitive Surgical (ISRG)
8/20/2026
-5.73%
Robinhood Markets (HOOD)
8/20/2026
-5.7%
Axon Enterprise (AXON)
8/20/2026
-4.47%
Boston Scientific (BSX)
8/20/2026
-4.4%
NRG Energy (NRG)
8/20/2026
-3.83%
CoStar (CSGP)
8/20/2026
-3.59%
Crowdstrike (CRWD)
8/20/2026
-3.52%
Steel Dynamics (STLD)
8/20/2026
-3.47%
Transdigm (TDG)
8/20/2026
-3.21%
Insulet (PODD)
8/20/2026
-3.21%
Morgan Stanley (MS)
8/20/2026
-3.19%
Carnival (CCL)
8/20/2026
-3.17%
Raymond James Financial (RJF)
8/20/2026
-3.16%
Stryker (SYK)
8/20/2026
-3.12%
RTX (RTX)
8/20/2026
-3.05%
Northrop Grumman (NOC)
8/20/2026
-2.91%
IDEXX Laboratories (IDXX)
8/20/2026
-2.88%
Huntington Ingalls Industries (HII)
8/20/2026
-2.87%
Royal Caribbean Cruises (RCL)
8/20/2026
-2.86%
First Solar (FSLR)
8/20/2026
-2.81%
Charter Communications (CHTR)
8/20/2026
-2.79%
Howmet Aerospace  (HWM)
8/20/2026
-2.73%
Synchrony Financial (SYF)
8/20/2026
-2.73%
CDW (CDW)
8/20/2026
-2.67%