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Last update: Aug 28, 2026, 6:10 PM ET
Cytokinetics, Incorporated
7.5% on Aug 28, 2026

Why Cytokinetics, Incorporated (CYTK) Stock Fell 7.5% on Aug 28, 2026

Researched by BestStocks Market Desk · Published Aug 28, 2026
Prior close
$77.90
Aug 28, 2026 close
$72.09
Change
−$5.81
-7.46%
Rel. volume
2.2×
4.4M shares

What happened

Valuation-7.5%high confidence

Cytokinetics fell 5.84% to $73.35 following a sell-the-news reaction to positive Phase 3 trial results for aficamten in non-obstructive hypertrophic cardiomyopathy announced at the European Society of Cardiology Congress 2026. Despite the clinical win and a raised analyst price target to $81.00 (per Yahoo Finance), the stock experienced profit-taking consolidation intraday.

Source: fmp_intraday
What to watch next

Watch for stabilization near technical support and monitor Q3 2026 financial results (next earnings scheduled 2026-11-04, consensus EPS estimate –$1.54) for any update on aficamten commercialization timeline or cash runway.

Frequently asked questions

Why did Cytokinetics, Incorporated (CYTK) stock fall on Aug 28, 2026?

Cytokinetics fell 5.84% to $73.35 following a sell-the-news reaction to positive Phase 3 trial results for aficamten in non-obstructive hypertrophic cardiomyopathy announced at the European Society of Cardiology Congress 2026. Despite the clinical win and a raised analyst price target to $81.00 (per Yahoo Finance), the stock experienced profit-taking consolidation intraday.

How much did CYTK stock fall on Aug 28, 2026?

CYTK fell 7.5% during the Aug 28, 2026 trading session.

This is an archived analysis of CYTK's Aug 28, 2026 session.
See CYTK's latest changes →
Educational research tool — not personalized investment advice. Figures reflect the Aug 28, 2026 session as first analyzed.