Nvidia (NASDAQ:NVDA) is heading into its next earnings report with expectations already running high, and Wall Street appears increasingly comfortable with that risk. Several analysts, led by Citigroup, have reiterated bullish views on the stock, arguing that demand for advanced AI hardware remains strong enough to support another leg of growth.For investors, the key question is no longer whether Nvidia will beat earnings estimates. It is whether guidance can justify a valuation built on the assumption that ...