01:56 PM EDT, 07/14/2025 (MT Newswires) -- Zimmer Biomet ( ZBH ) signed a definitive agreement to acquire Monogram Technologies ( MGRM ) for a cash payment of $4.04 per common share, for a total equity value of about $177 million, the companies said Monday.

Shares of Monogram soared 76% as intraday trading volume catapulted to over 13.4 million from a daily average of about 60,000.

Dare Bioscience ( DARE ) said Monday that interim results from its phase 3 clinical trial showed that its investigational monthly, hormone-free intravaginal contraceptive, Ovaprene, met the company's expectations.

Shares surged 66% as intraday trading volume climbed to more than 63.8 million from a daily average of about 163,000.

Sonnet BioTherapeutics ( SONN ) shares soared 72% amid heavy trading after the company said it agreed to merge with Rorschach, backed by Atlas Merchant Capital and Paradigm Operations, and will build a reserve of HYPE, the token of the Hyperliquid Layer-1 blockchain.

More than 40.2 million shares of Sonnet traded intraday compared with a daily average of about 2.91 million.

Price: 93.61, Change: -0.19, Percent Change: -0.20