Allegheny Technologies is trading at $172.00, down 4.81%, as defensive sentiment and renewed Middle East tensions weigh on risk appetite; no clear company-specific overnight catalyst was identified. - Pre-market, the S&P 500 is down 0.93% and the Nasdaq is down 1.59%. - Shares closed at $180.69 on October 21, after closing at $183.07 on October 20. - The next scheduled earnings report is October 29.