Nvidia exceeded expectations thanks to ongoing demand for its AI chips.Justin Sullivan/GettyNvidia's Q1 revenue hit a record $26 billion, surpassing analyst estimates.Nvidia also gave a bullish second-quarter sales forecast.Demand for its new AI chips may exceed supply well into next year, it said.Tech's hottest stock isn't cooling down anytime soon.Nvidia released its fiscal first-quarter results on Wednesday and reported record quarterly revenues of $26 billion — outdoing analyst estimates for $24.65 billion.