CORRECTED-US STOCKS-Wall St set to open higher on Chinese stimulus hopes
(Corrects first bullet to Nikkei "posts biggest one-day gain in 7 years" from "soars to 7-year high")
* Japan's Nikkei posts biggest one-day gain in 7 years
* Apple rises ahead of annual product launch event
* Tetraphase Pharma sinks after bowel drug fails to meet goal
* Futures up: Dow 179 pts, S&P 19 pts, Nasdaq 51 pts
By Tanya Agrawal
Sept 9 (Reuters) - Wall Street was set to open higher on Wednesday as positive comments from Chinese officials kept alive hopes of further stimulus measures.
China's Ministry of Finance said the government will strengthen fiscal policy, boost infrastructure spending and speed up reform of its tax system, adding to other steps to reenergize sputtering growth.
The Shanghai Composite closed 2.3 percent higher and the CSI 300 index rose 1.96 percent while Hong Kong's Hang Seng was up 4.5 percent. Continuación...