Buenaventura is trading 4% lower at $30.24 as hotter-than-expected U.S. inflation pressured precious metals. - September headline CPI reached 3.7% year over year versus 3.6% expected; core CPI was 2.6% versus 2.5% expected. - Reuters reported higher Treasury yields and gold down 1.63%; silver also fell sharply, adding pressure for precious-metals miners. - No clear Buenaventura-specific catalyst was found for October 14. The S&P 500 fell 1.37% and Nasdaq fell 2.02%.