Rambus is trading at $75.81, down 8.55%, as semiconductor weakness weighs on chipmakers amid concerns that tighter data-center regulation after the U.S. midterm elections could slow AI infrastructure expansion and chip demand. - Reuters reported chip stocks extended losses on November 5. - Bloomberg described the semiconductor selloff as part of a rotation away from chipmakers. - No clear Rambus-specific catalyst for the November 5 decline surfaced; recent earnings news is not evidence of a new company-specific event today.