Shares of Artiva Biotherapeutics Inc. (ARTV) have more than doubled year-to-date, driven by continued progress in its lead AlloNK program.
AlloNK is an off-the-shelf cell therapy made from donor immune cells (NK cells) that are frozen and stored until needed. It helps antibody drugs work better by boosting their ability to drive deep B-cell depletion.
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April 24, 2026 15:15 ET Economics news flow was relatively light this week even as the conflict in the Middle East continued, raising concerns for policymakers. In the U.S., spending data, initial jobless claims and pending home sales were the highlights. Business confidence in the biggest euro area economy was in focus in Europe. Inflation data from Japan gained attention in Asia.