Alamos Gold is trading 4.09% down at $28.80 after a sharp regular-session gain and an after-hours reversal; no company-specific announcement explaining the decline surfaced in the search. - It closed the November 4 session at $30.02. - Gold rallied above $4,000 on a weaker dollar and falling Treasury yields, but that supportive move does not explain Alamos Gold’s opposite-direction decline. - The broad market also rose, with no clear same-direction market catalyst established.