Amphenol is trading at $83.14, down 3.21%, as hotter-than-expected September inflation lifted Treasury yields and pressured growth and technology stocks. - Headline CPI was 3.7% year over year, versus 3.6% expected; core CPI was 2.6%, versus 2.5% expected. - Semiconductor shares also weakened amid valuation concerns, adding industry pressure. - No Amphenol-specific catalyst was identified in the reporting reviewed.