Sterling Construction is trading 9.13% down at $415.79 amid renewed interest-rate concerns after September inflation exceeded expectations. - Headline CPI was 3.7% year over year versus 3.6% expected; core CPI was 2.6% versus 2.5% expected. The report pressured U.S. equities and raised rate-hike concerns. - On October 15, Sterling announced it will report third-quarter results on October 28; the notice disclosed no new operating results or guidance. No clear company-specific catalyst was identified.