Alzamend Neuro (ALZN) shares skyrocketed 356% after the company said Monday that Massachusetts General Hospital will be its contract research organization to conduct a phase 2 clinical study of AL001 to treat patients with post-traumatic stress disorder.
More than 71.3 million shares traded intraday compared with a daily average of about 26,000.
ARCA biopharma (ABIO) said late Friday that it will distribute a special dividend estimated to be $1.59 per share, subject to approval by ARCA shareholders of a proposed merger with Oruka Therapeutics.
Shares of ARCA jumped 20%, with intraday trading volume at over 516,000 compared with a daily average of about 78,000.
Marriott International (MAR) said Monday it formed a long-term licensing agreement with Sonder Holdings (SOND) in a deal expected to add 9,000 rooms to its portfolio this year and 1,500 afterward.
Shares of Sonder surged 126% as intraday trading volume soared to more than 26.6 million from a daily average of about 87,000.
Price: 9.27, Change: +7.24, Percent Change: +356.40
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