Ericsson is trading at $10.00, up 6.16%, with no verified company-specific announcement explaining the after-hours rise. - It closed at $9.42 on September 28. - Reported share buybacks covered September 21–25 and were part of an existing program, not a new announcement. - The broader market was down September 28. A dividend record-date update is scheduled for September 29, but no source links it to the rise.