By Caroline Valetkevitch
(Reuters) - U.S. stocks ended higher on Thursday in another day of broad swings as investors showed nervousness ahead of next week's much-anticipated Federal Reserve meeting, but gains in Apple and biotech shares supported the day's advance.
Apple's shares
Biotech also boosted the market, with Gilead
The day's gains follow a 1-percent market decline on Wednesday and weeks of volatility largely tied to worries about a slowdown in Chinese growth and its impact on the global economy. Investors also have been nervous about next week's Fed meeting and whether the central bank will decide to raise interest rates for the first time in nearly a decade.
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"It's this tug of war, and that gives big moves going both ways at the moment. Obviously investors are very unsettled with regard to their conviction," said Mark Luschini, chief investment strategist at Janney Montgomery Scott in Philadelphia.
"It certainly doesn't seem as though we have a groundswell of demand coming into stocks that can push the market up significantly."
The Dow Jones industrial average <.DJI> rose 76.83 points, or 0.47 percent, to 16,330.4, the S&P 500 <.SPX> gained 10.25 points, or 0.53 percent, to 1,952.29 and the Nasdaq Composite <.IXIC> added 39.72 points, or 0.84 percent, to 4,796.25.
Nine of the 10 major S&P sectors were higher, led by the healthcare <.SPXHC>, up 0.9 percent, and technology <.SPLRCT>, up 1 percent.
Adding to uncertainty surrounding the Fed's next meeting, data showed the U.S. labour market appeared to gain momentum in early September as fewer Americans filed for weekly unemployment benefits, while another report showed import prices fell last month.
Influential fund manager David Tepper of Appaloosa Management told CNBC that corporate earnings may not rise as much as expected and he was not overly bullish on stocks next year.
Krispy Kreme Doughnuts
Also, shares of Avon Products
Lululemon Athletica
NYSE advancing issues outnumbered declining ones 1,623 to 1,398, for a 1.16-to-1 ratio; on the Nasdaq, 1,656 issues rose and 1,155 fell for a 1.43-to-1 ratio favouring advancers.
The benchmark S&P 500 index posted 1 new 52-week high and 8 lows; the Nasdaq recorded 28 new highs and 62 lows.
About 6.8 billion shares changed hands on U.S. exchanges, below the 8.1 billion daily average for the past 20 trading days, according to Thomson Reuters data.
(Additional reporting by Tanya Agrawal; Editing by Don Sebastian Editing by Nick Zieminski)


