Semiconductor giantNVIDIA Corporation (NASDAQ:NVDA) will report first-quarter financial results after market close Wednesday. Here are the earnings estimates, what analysts are saying and key items to watch. Earnings Estimates: Analysts expect Nvidia to report first-quarter revenue of $24.60 billion, according to data from Benzinga Pro. The company reported first-quarter revenue of $7.19 billion in the previous fiscal year. Nvidia has beaten analysts’ revenue estimates in six straight quarters and nine of the last 10 quarters. Analysts expect Nvidia to report earnings per share of $5.58 in the…