US STOCKS-Apple, biotech stocks lift Wall Street
* Earnings won't grow as much as expected - David Tepper to CNBC
* Apple biggest boost on the three major indexes
* Krispy Kreme falls after cutting forecast
* Indexes up: Dow 0.57 pct, S&P 0.64 pct, Nasdaq 0.92 pct (Updates to early afternoon)
By Tanya Agrawal
Sept 10 (Reuters) - Wall Street was higher in early afternoon trading on Thursday as Apple and biotech shares lifted the market ahead of the crucial Federal Reserve meeting next week.
U.S. stocks have been volatile for the past few weeks since China devalued its currency in August and the impact of a slowdown in the region on global growth rattled investors. The S&P 500 has seen moves of about 1 percent in the past few weeks.
"Volatility is here to stay for the rest of the fourth quarter because even if the Fed doesn't raise rates next week, it is signaling that there is weakness in the economy," said Mohannad Aama, managing director at Beam Capital Management in New York.
Apple's 2.1 percent rise gave the biggest boost to the three major indexes a day after the iPhone maker unveiled new offerings. Continuación...