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NASDAQ:CYCN 6 January 2026

Cyclerion Therapeutics stock jumps in premarket after Medsteer deal — what CYCN investors watch next

Cyclerion Therapeutics stock jumps in premarket after Medsteer deal — what CYCN investors watch next

Cyclerion Therapeutics shares surged 46% to $2.01 premarket Tuesday after announcing an expanded exclusive collaboration with Medsteer for its CYC-126 depression program. The company aims to start a Phase 2 proof-of-concept study in late 2026, with initial data expected in 2027. Cyclerion flagged “substantial doubt” about its ability to continue as a going concern and said it needs more funding.
6 January 2026
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Stock Market Today

  • SpaceX Set to Join Nasdaq 100, Potential $4.3 Billion Market Boost for SPCX Stock
    June 28, 2026, 8:05 AM EDT. SpaceX ($SPCX), Elon Musk's aerospace and artificial intelligence firm, will join the Nasdaq 100 index on July 7. Inclusion in this key benchmark, which tracks the largest non-financial companies on the Nasdaq stock exchange, could trigger significant passive buying as index funds adjust holdings. Analysts estimate this shift may inject approximately $4.3 billion of demand into SPCX stock. This move underscores SpaceX's growing market footprint following its direct listing and highlights ongoing investor interest in the aerospace and technology sectors.

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US Stock Market Today: Live Updates 28.06.2026

28 June 2026
LIVEMarkets rolling coverageStarted: June 28, 2026, 4:00 AM EDTUpdated: June 28, 2026, 8:10 AM EDT SpaceX Set to Join Nasdaq 100, Potential $4.3 Billion Market Boost for SPCX Stock June 28, 2026, 8:05 AM EDT. SpaceX ($SPCX), Elon Musk’s aerospace and artificial intelligence firm, will join the Nasdaq 100 index on July 7. Inclusion in this key benchmark, which tracks the largest non-financial companies on the Nasdaq stock exchange, could trigger significant passive buying as index funds adjust holdings. Analysts estimate this shift may inject approximately $4.3 billion of demand into SPCX stock. This move underscores SpaceX’s growing market footprint
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