GRID is trading 3.06% lower at $173.76 as hotter-than-forecast September inflation weighs on equities. - September headline CPI was 3.7% year over year versus 3.6% expected; core inflation was 2.6% versus 2.5% expected. - Reuters reported rising Treasury yields and renewed expectations of a possible Fed rate hike weighing on equities. - No confirmed GRID-specific announcement was identified; midday volume was below average, an observation that predates the current quote.