US STOCKS-Wall St set to open lower as commodity prices slide
* Copper prices hit two-week low, oil down about 2 pct
* Goldman falls, CEO discloses he has cancer
* Futures down: Dow 275 pts, S&P 34 pts, Nasdaq 88 pts (Adds details, comment, updates prices)
By Tanya Agrawal
Sept 22 (Reuters) - Wall Street was set to open sharply lower on Tuesday due to a fall in oil and copper prices on concerns about the outlook for the Chinese economy.
Copper prices hit two-week lows, while oil was down about 2 percent. The Chinese government's efforts to stimulate growth by easing fiscal and monetary policy have failed to calm nerves.
U.S. stocks ended higher on Monday, rebounding from losses late last week with help from Apple and financial shares, but a drop in biotech shares limited the advance.
However, trading remains volatile as investors try to gauge when the Federal Reserve will raise interest rates.
The Fed last week kept rates at near-zero levels, citing the turbulence in a tightly linked global economy, including slowing growth in China. Continuación...