AAR is trading 4.35% lower at $95.31, with broader market weakness a likely factor. - No clear AAR-specific catalyst surfaced in available reports; trading-volume data was not provided. - The S&P 500 and Nasdaq were lower as U.S. stocks retreated, with oil prices rising after reports of tanker damage. - Investors also reacted to geopolitical tensions around the Strait of Hormuz and concerns about technology-company spending.