best performing stocks in s and p 500 past 1 month

Moderna (MRNA) has had the highest return between September 14, 2026 and October 14, 2026 by a US stock in the S&P 500 (GSPC), returning 49.2%.

ASSETDATE% RETURN
Moderna (MRNA)
9/14/2026 - 10/14/2026
49.22%
PTC (PTC)
9/14/2026 - 10/14/2026
44.41%
Illumina (ILMN)
9/14/2026 - 10/14/2026
31.17%
Datadog (DDOG)
9/14/2026 - 10/14/2026
25.92%
Synopsys (SNPS)
9/14/2026 - 10/14/2026
25.55%
Marvell Technology (MRVL)
9/14/2026 - 10/14/2026
24.55%
Advanced Micro Devices (AMD)
9/14/2026 - 10/14/2026
24.52%
Revvity (RVTY)
9/14/2026 - 10/14/2026
24.37%
Hewlett Packard Enterprise (HPE)
9/14/2026 - 10/14/2026
24.06%
NetApp (NTAP)
9/14/2026 - 10/14/2026
23.45%
Palantir Technologies (PLTR)
9/14/2026 - 10/14/2026
22.97%
Twilio (TWLO)
9/14/2026 - 10/14/2026
22.83%
Mettler-Toledo International (MTD)
9/14/2026 - 10/14/2026
22.65%
Ciena (CIEN)
9/14/2026 - 10/14/2026
22.45%
Carnival (CCL)
9/14/2026 - 10/14/2026
19.76%
Generac (GNRC)
9/14/2026 - 10/14/2026
19.29%
Crowdstrike (CRWD)
9/14/2026 - 10/14/2026
19.27%
Marathon Petroleum (MPC)
9/14/2026 - 10/14/2026
18.95%
Fortinet (FTNT)
9/14/2026 - 10/14/2026
17.51%
F5 Networks (FFIV)
9/14/2026 - 10/14/2026
17.23%
Agilent Technologies (A)
9/14/2026 - 10/14/2026
16.12%
Cadence Design Systems (CDNS)
9/14/2026 - 10/14/2026
16.04%
Facebook (META)
9/14/2026 - 10/14/2026
16%
Valero Energy (VLO)
9/14/2026 - 10/14/2026
15.48%
Lumentum (LITE)
9/14/2026 - 10/14/2026
14.77%