Athira Pharma (ATHA) shares plunged 78% after the company said overnight that its phase 2/3 trial of fosgonimeton in people with mild-to-moderate Alzheimer's disease failed to meet the primary and key secondary endpoints.
More than 14.6 million shares traded intraday compared with a daily average of about 172,000.
Oragenics (OGEN) said Wednesday that it priced a public offering of about 8.11 million shares at $0.55 apiece for gross proceeds of about $4.45 million. The stock closed at $1.07 Tuesday.
Shares slumped 44%, with intraday trading volume at over 2.43 million compared with a daily average of about 601,000.
Dollar Tree (DLTR) reported lower-than-expected Q2 results and reduced its outlook for the full financial year.
Shares dropped 24% as intraday trading volume rose to over 22 million from a daily average of about 2.95 million.
Price: 0.63, Change: -2.21, Percent Change: -77.92
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