Merrimack Pharmaceuticals (MACK) gapped open higher Friday and spiked higher in early trade. The stock settled into a range for the majority of the session and finished up by 1.04 at $10.43 on above average volume.
Merrimack Pharmaceuticals has been climbing for the past week and closed Friday at a new high.
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June 05, 2026 16:18 ET A busy week for economic news flow saw a slew of reports being released that reflected the trends in the U.S. labor market. In Europe, economic growth and inflation data gained attention as the European Central Bank and Bank of England head for policy session later in the month. In Asia, the monetary policy session of the Indian central bank was in focus as the country, a major oil importer, reels under the pressures of a weaker rupee and rising inflation.