GCT Semiconductor is trading at $1.13, up 5.61% in pre-market, as semiconductor shares rose after AMD reported stronger-than-expected Q3 results and outlook. - No company-specific announcement was identified for November 4; its Q3 results are scheduled for November 12. - The prior close was $1.07 on November 3, after a 4.90% gain that session. - Pre-market volume was not included in the supplied data, so activity level cannot be assessed.