ARTV

U.S. Stock Market Performance: U.S. stocks showed mixed results, with the Dow Jones gaining 0.1%, while the NASDAQ fell slightly. The S&P 500 also saw a modest increase, and health care shares rose by 1%, contrasting with a 1% drop in energy stocks.

Manufacturing Index Decline: The NY Empire State Manufacturing Index fell to -3.9 in December, significantly down from a one-year high of 18.7 the previous month, and below market expectations of 10.

Notable Stock Movements: 3 E Network Technology Group's shares surged 88% after a new AI data center agreement, while iRobot Corp's shares plummeted 69% following its Chapter 11 bankruptcy filing.

Global Market Trends: European shares rose, with the eurozone's STOXX 600 gaining 0.8%, while Asian markets closed lower, with Japan's Nikkei down 1.31% and Hong Kong's Hang Seng down 1.34%.

Exicure, Inc. Surge: Exicure, Inc. saw a significant after-hours increase of 72.61% to $9.20 following positive Phase 2 trial results for its therapy in multiple myeloma patients, with 90% of participants achieving the primary endpoint.

Artiva Biotherapeutics and iBio Performance: Artiva Biotherapeutics rose 10.39% after hours despite a regular session decline, while iBio advanced 8.38% after hours, continuing its earlier gains without any new announcements.

Cartesian Therapeutics and Metagenomi Gains: Cartesian Therapeutics increased 6.55% after hours, while Metagenomi gained 7.18% after hours, with the latter planning to present preclinical data at an upcoming conference.

Wave Life Sciences and Assembly Biosciences Updates: Wave Life Sciences shares rose 4.97% after hours following a public offering announcement, and Assembly Biosciences gained 5.96% after reporting positive interim results from Phase 1b studies of its investigational HSV inhibitors.