Stock market today: Dow, S&P 500, Nasdaq waver as report of OpenAI IPO delay rattles chip stocks
US stocks were volatile on Friday, as a report of a potential delay to OpenAI's (OPAI.PVT) IPO added to the headwinds that have whipsawed markets this week. The tech-heavy Nasdaq Composite (^IXIC) hovered near the flat line, while the S&P 500 (^GSPC) rose 0.1% after both indexes closed lower Thursda…