$NVIDIA Corp(NVDA)$ released its official fiscal year 2023 second-quarter report, corresponding to the natural day for the quarter ended July 31 results.On August 8, Nvidia had issued a second quarterly report warning. Therefore, the market knows the core financial data, investors focus on the three quarterly guidance and results will be.Worse Than Expected EarningsBloomberg analysts' forecast for third-quarter revenue was $6.4 billion, down 9% yoy. NVIDIA's results were worse than the market forecast.As a result, Nvidia plunged to $164 after the bell following the earnings announcement.As noted in previous analysis, Nvidia's third-quarter guidance is worse than the second quarter, with expected revenue size of $5.