* Wal-Mart, Home Depot quarterly earnings top estimates
* China fears pressure commods, Ireland still in focus
* Producer prices unexpectedly fall in October
* Indexes down: Dow, S&P 0.7 pct, Nasdaq 0.6 pct
* For up-to-the-minute market news see [STXNEWS/US] (Updates to early morning)
By Ryan Vlastelica
NEW YORK, Nov 16 (Reuters) - U.S. stocks fell on Tuesday on continued concerns about China and Ireland, which offset strong quarterly results and upbeat forecasts from Dow components Wal-Mart and Home Depot.
Shares in Europe fell 1.2 percent ahead of a meeting of euro zone finance ministers, who will try to find a way to end Ireland's debt crisis, but Dublin resisted pressure to seek a bailout. For details, see [ID:nLDE6AF02E]
"There's a global concern that if Ireland needs aid, it could become a domino effect with other countries," said Cort Gwon, director of trading strategies and research at FBN Securities in New York.
"Especially at such a sensitive time in the economy to have a setback in Europe could mean a setback for the rest of the world, too."
Chinese shares sank nearly 4 percent to a one-month low on reports that China will unveil food price controls and crack down on commodity speculation to contain inflationary pressure. [ID:nL3E6MG081]
Crude oil futures lost 2.1 percent and gold fell on the way to a third straight daily loss, while the U.S. dollar <.DXY> rose 0.4 percent.
Wal-Mart Stores Inc
Wal-Mart rose 2.1 percent to $55.09, while Home Depot was up 3.2 percent to $32.40. [ID:nN1691422] and [ID:nN1627318]
The Dow Jones industrial average <.DJI> was down 82.42 points, or 0.74 percent, at 11,118.03. The Standard & Poor's 500 Index <.SPX> fell 8.53 points, or 0.71 percent, at 1,189.22. The Nasdaq Composite Index <.IXIC> was off 15.69 points, or 0.62 percent, at 2,497.97.
In the latest economic data, U.S. core producer prices unexpectedly fell in October in their largest decline in more than four years, underscoring the U.S. Federal Reserve's concerns about the low inflation environment. [ID:nN16129299]
Abercrombie & Fitch Co's
General Motors boosted its convertible preferred stock offering by $1 billion and will increase the price range for its much-anticipated initial public offering to between $32 and $33 per share. The IPO is due to begin trading in New York and Toronto on Thursday.[ID:nN1693544] (Editing by Jeffrey Benkoe)