* Weakening dollar lifts energy, natural resource shares
* Kraft's bid for Cadbury revives M&A hopes
* Dow up 0.4 pct, S&P up 0.7 pct, Nasdaq up 0.6 pct (Updates to early afternoon, changes byline)
By Angela Moon
NEW YORK, Sept 8 (Reuters) - U.S. stocks advanced on Tuesday, led by gains from oil and materials companies, while an uptick in M&A activity spurred recovery hopes, making equities more appealing to investors.
Energy shares led the S&P 500 index higher as oil futures <CLc1> rose 4.8 percent to $71.30 a barrel thanks to a weak dollar.
Kraft Foods Inc <KFT.N>, North America's biggest food company, said it was intent on pursuing Britain's Cadbury <CBRY.L> despite the confectionary company's rejection of a $16.7 billion Kraft bid made on Monday.
The news of the rebuff sent Kraft shares down 5.9 percent to $26.45, but speculation about potential suitors for Cadbury buoyed the overall market sentiment. For details, see [
]."The M&A news was very supportive to the market," said Bruce Bittles, chief investment strategist at Robert W. Baird & Co in Nashville, Tennessee.
"Ever since the market's big rally, a lot of folks have been concerned about valuations. But when you see a bid like this, it eases those fears."
The Dow Jones industrial average <
> was up 40.81 points, or 0.43 percent, at 9,482.08. The Standard & Poor's 500 Index <.SPX> gained 7.27 points, or 0.72 percent, at 1,023.67. The Nasdaq Composite Index < > rose 11.74 points, or 0.58 percent, at 2,030.52.The Kraft bid comes after France Telecom <FTE.PA> and Deutsche Telekom <DTEGn.DE> announced plans to merge their British mobile units and after Walt Disney Co's <DIS.N> deal last week to buy Marvel Entertainment Inc <MVL.N> for $4 billion.
Although Kraft's stock fell, other food companies rose, including Hershey Co <HSY.N>, which added 1.3 percent to $39.14. Some analysts pointed to the possibility of Hershey and Nestle <NESN.VX> making a joint bid for Cadbury.
In the oil sector, Chevron Corp <CVX.N> rose 2.3 percent to $70.53 and provided the top boost to the Dow, while the S&P index of energy companies <.GSPE> was up 2.5 percent. [
].Freeport-McMoRan Copper & Gold Inc <FCX.N> gained 3.2 percent to $68.09 as spot gold <XAU=> rose above $1,000 an ounce to its highest since March 2008 on a wave of technical momentum and dollar weakness before paring gains to $997. [
].Health insurance stocks <.HMO> slid 1.5 percent before U.S. President Barack Obama's address to Congress on Wednesday. He is expected to outline his proposed revamp of the healthcare system.
Shares of General Electric Co <GE.N> advanced 4.6 percent to $14.51 after J.P. Morgan Securities upgraded the stock, saying it was one of the last equities for which a little good news could still go a long way. [
].On the Nasdaq, shares of iPod maker Apple Inc <AAPL.O> rose 2.2 percent to $172.50 after Morgan Stanley raised its price target to $200 from $195. The Morgan Stanley also raised the U.S. systems and PC hardware sector to "attractive" from "in line." [
]. (Editing by Kenneth Barry)