TSMC is trading at BRL 273.49, down 5.41%, amid a broad semiconductor selloff following Intel’s weak fourth-quarter outlook and warnings of continued PC-market weakness. - On October 30, Reuters reported TSMC shares were down 3.5% in U.S. trading, alongside declines across chipmakers. - The previous day’s report of planned advanced-packaging price increases was positive company news, not a clear cause of the decline.