US STOCKS-Futures up on sustained hopes for 'fiscal cliff' deal
* Optimism continues to grow over "cliff" deal
* Global shares, commodities rise alongside futures
* Wal-Mart unit bribed officials to open stores: NYT
* Indexes up: S&P 0.8 pct, Dow 1.2 pct, Nasdaq 1.3 pct
NEW YORK, Dec 18 (Reuters) - U.S. stock index futures rose on Tuesday, indicating equities could extend a rally that took them nearly two-months highs on growing optimism over a "fiscal cliff" deal.
* Stocks have struggled for direction in recent weeks, with investors reluctant to make big bets in the face of uncertainty over the cliff, a combination of steep tax hikes and spending cuts that could hurt the U.S. economy if they take effect next year. Moves have been muted over the past weeks, with volume anemic.
* Hopes for a deal grew on Monday night as President Barack Obama made a counter-offer to Republicans that included a major change in position on tax hikes for the wealthy, according to a source familiar with the talks.
* That report followed a meeting between Obama and Republican House Speaker John Boehner, who has edged closer to Obama's position by proposing to extend lower tax rates for everyone who earns less than $1 million.
* S&P 500 futures rose 5.5 points and were above fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures added 30 points and Nasdaq 100 futures rose 14 points.
* Many investors fear that going over the fiscal cliff could push the U.S. economy back into recession, an outcome that would also pressure global growth rates and sap demand for commodities.
* European shares rose 0.3 percent on Monday, while January crude futures were up 0.6 percent. The MSCI index of global stocks rose 0.2 percent.
* While the cliff has been the primary driver for markets, tech shares will also be in view as Oracle Corp reports results after the market closes. The company is seen posting profit growth of more than 10 percent, but a 2.3 percent dip in revenue, according to Thomson Reuters data.
* Reporting quarterly results early on Tuesday, Sanderson Farms Inc posted a better-than-expected profit, helped by rising poultry prices. Jefferies Group is on tap to report later in the day.
* The New York Times late Monday reported that Wal-Mart Stores Inc's Mexican affiliate routinely used bribes to open stores in desirable locations. The story cited 19 instances of the retail giant paying off local officials. In a statement Monday night, Wal-Mart spokesman David Tovar said the company was already looking into the allegations
* U.S. third-quarter current account deficit figures are due to be released at 8:30 a.m. (1330 GMT). Economists in a Reuters survey forecast a $103.4 billion deficit versus a deficit of $117.4 billion in Q2.
* Hopes for a fiscal cliff deal also lifted shares on Monday, breaking a two-day decline for the S&P. The Dow and Nasdaq surged more than 1 percent in Monday's session, while all 10 S&P 500 sectors ended higher.
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