Stock Market Today: SpaceX Jumps To $175, Rocks Space Rivals

SpaceX debuted on Nasdaq at $175, up 30% from its $135 IPO price in the world's largest IPO at $1.75 trillion valuation. The listing triggered a rotation in the space sector, with competitors experiencing significant declines. The broader market was mixed, with the S&P 500 up 0.2%, Dow up 0.5%, and Nasdaq down 0.1%, as geopolitical concerns about U.S.-Iran negotiations and falling oil prices influenced trading.