The market was not impressed with NVDA earnings, marking shares down in after hours:Nvidia (NVDA) earnings report: EPS $1.05 vs. expected of $1.01The subsequent earnings call has thrown up some intersting items:Nvidia (NVDA) threatens litigation if US government seeks to take a percentage of revenueMore:Nvidia CEO Jensen Huang underscored the importance of China to the chipmaker’s future, describing it as a $50 billion opportunity for the company in 2025. said the market could expand at an annual pace of around 50%, making it a critical driver of growth.China is the second largest computing market in the worldChina is home to about half of the world’s AI researchers, the majority of leading open-source AI models are being developed there, underscoring the country’s role in shaping global artificial intelligence innovation.Huang argued that it is vital for U.S. technology companies to remain engaged in the Chinese market despite ongoing political and trade headwinds.On cloud issues:"We're in every cloud for a good reason. Not only do are we the most energy efficient, our performance per watt is the best of any computing platform. And in a world of power limited data centers, perf per watt drives directly to revenues." This article was written by Eamonn Sheridan at investinglive.com.