02:54 PM EDT, 04/29/2024 (MT Newswires) -- Clever Leaves ( CLVR ) shares slumped nearly 61% in recent trading Monday. The company disclosed Friday its board decided to delist its securities on Nasdaq.

,Intraday trading volume was over 701,000 versus a daily average of about 19,000.

Annovis Bio ( ANVS ) shares tumbled 54% amid heavy trading after the company's phase 2/3 study of buntanetap to treat mild to moderate Alzheimer's disease missed an efficacy endpoint "due to the limited number of patients and short trial duration."

More than 8.7 million shares traded intraday compared with a daily average of roughly 239,000.

Addex Therapeutics ( ADXN ) shares plunged after the company said adjunctive administration of its investigational drug ADX71149 with levetiracetam or brivaracetam did not meet the primary goal of the phase 2 epilepsy study.

Shares plummeted 51% as intraday trading volume climbed to over 146,000 versus the stock's daily average of about 17,000.

Price: 1.61, Change: -2.51, Percent Change: -60.92