S&P 500, Nasdaq open higher with FOMC minutes and ‘AI bubble’ in focus

11:42am: Investors brush off shutdown The US government shutdown, now on its eighth day, has done little to dampen sentiment on Wall Street. With no sign of resolution, stocks continue to ignore the standoff, according to IG chief market analyst Chris Beachamp. “Nvidia’s bullish commentary on demand has been the icing on the cake, but for most investors concerns about tariffs…