02:30 PM EDT, 10/01/2024 (MT Newswires) -- Guardion Health Sciences ( GHSI ) shares plunged 43% amid heavy trading after the company said Tuesday it plans to delist its shares from Nasdaq in connection with a plan of liquidation and dissolution.

More than 622,000 shares traded intraday compared with a daily average of about 98,000.

Shattuck Labs ( STTK ) said Tuesday that it plans to discontinue its SL-172154 clinical program to treat acute myeloid leukemia and higher-risk myelodysplastic syndromes.

HC Wainwright downgraded the company's shares to neutral from a buy rating.

Shares plunged 44% as intraday trading volume soared to over 10.5 million versus the stock's daily average of roughly 228,000.

Arqit Quantum ( ARQQ ) said late Monday that it is launching a registered direct offering of about 5.4 million of its ordinary shares priced at $2.50 per share for gross proceeds of about $13.6 million.

Shares slumped 16% as intraday trading volume jumped to over 128,000 from a daily average of roughly 53,000.

Price: 3.15, Change: -2.39, Percent Change: -43.14