Regeneron Pharmaceuticals (REGN) and Sanofi-aventis (SNY) announced after the close Tuesday that they entered into agreements to expand and extend their existing global collaboration to discover, develop, and commercialize fully-human therapeutic monoclonal antibodies.
Regeneron Pharmaceuticals gapped up sharply Wednesday and has continued to rise in early trade. Shares are now up 2.54 at $18.34. The stock has climbed to a 3-week high and has re-crossed its 200-day moving average.
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June 12, 2026 17:14 ET Major central bank action was the focus this week in economic news. The European Central Bank became the first major central bank to move in response to the rising inflationary pressures in the backdrop of the conflict in the Middle East. In North America, the U.S. inflation and trade data as well as Canada’s central bank decision gained attention. The Chinese trade data was the main news in Asia.