Stock market returns and clinical trial results of investigational compounds: an event study analysis of large biopharmaceutical companies.

PLoS One · 2013 · PMC3737210 · PMID 23951273

Europe PMC DOI

hedged sentence

0.2800

closest p · 5.6× alpha

0.2800

boldest claim

The sentences

failed to reach statistical significanceP = 0.28not close (p > 0.1)

Over the entire ± 1 day window, the CAR for positive events failed to reach statistical significance (median: 0.5%; P = 0.28).

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