Stock market news, 7 October 2026
Stories built from filings and market data, dated 7 October 2026.
Wednesday's biggest movers: Seagate Technology sinks 9.2% and Ciena jumps 13.8%
The largest moves among $20B+ companies, with the context the numbers give: how unusual each move was and any filing or earnings report behind it.
Pre-market · 7 OctPre-market movers: Circle -4.15%, Strategy -4.04%
3 large US stocks gapping 3% or more before the open, with the filings and headlines behind each move.
In the filings · 7 OctIn the filings: Rivian publishes an investor update; Coinbase announces a leadership change
The 8-Ks from big US companies that said something, from results to deals to executive exits, quoted straight from EDGAR.
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