Geopolitical tensions between Israel and Iran kept stocks in the red throughout the day. On stock movers, reports of OpenAI accusing Microsoft (MSFT) of anti-competitive behavior created new questions around their partnership. Jabil (JBL) closed as the SPX top performer after posting strong earnings centered on A.I. growth. Reddit (RDDT) also rallied on its A.I. prospects, while solar companies like First Solar (FSLR) and Enphase Energy (ENPH) plummeted. Marley Kayden takes a closer look into what's driving the day's biggest stories.