Nvidia Corp posted higher fiscal second-quarter earnings on Thursday and gave a forecast for current-quarter revenues that exceeded Wall Street's estimates, sending shares of the graphics chipmaker higher in after-hours trade. The Santa Clara, California company reported second-quarter revenue of $1.1 billion, up 13 percent from the year-ago quarter as it expanded its focus on cars and cloud-computing. For the current quarter, Nvidia said it expects revenue of $1.2 billion, plus or minus 2 percent. Analysts on average expected second-quarter revenue of $1.1 billion and third-quarter revenue of $1.16 billion, according to Thomson Reuters I/B/E/S. Nvidia's net income in the second quarter, which ended on July 27, totaled $128 million or 22 cents per share, compared with $96 million, or 16 cents a share, in the year-ago quarter. Analysts on average expected 20 cents.http://www.reuters.com/article/2014/08/08/us-nvidia-results-idUSKBN0G72F420140808