ICSC/Goldman Sachs release at 7.45 a.m. EDT chain store sales for the week ended September 15. In the previous week, sales rose 0.6 percent.

Boeing Co's (BA.N) engineers and technical workers rejected a contract offer late Monday, setting the stage for talks to resume Tuesday for labor agreements covering 23,000 workers.

* Redbook releases its Retail Sales Index of department and chain store sales for September at 8. 55 a.m. EDT. In the previous month, sales rose 1.7 percent.

U.S. oil firm ConocoPhillips (COP.N) is ready to sell its stake in Kazakhstan's giant Kashagan oilfield, and the Central Asian nation is eager to acquire this share, senior Kazakh officials said on Tuesday.

Mondelez International Inc MDLZV.O, which ranks as the world's biggest chocolate, candy and biscuit maker after being carved out of Kraft Foods Inc KFT.O, is optimistic busy consumers will keep driving booming demand for snacks despite the downturn.

The Institute for Supply Management-New York releases at 9.45 a.m. EDT September index of regional business activity. In August, the index read 560.5.

Fertilizer producer Mosaic (MOS.N) reports quarterly results. The drought that ripped into the U.S. corn crop this past summer likely helped Mosaic sell more phosphate and potash fertilizer, boosting quarterly results.

European shares .FTEU3 fell 0.3 percent on Tuesday, surrendering a portion of the previous day's rally, as doubts over whether or not debt-stricken Spain will request a bailout kept investors on edge.

Spain is ready to request a euro zone bailout for its public finances as early as next weekend but Germany has signaled that it should hold off, European officials said on Monday.

Wall Street started a new quarter with a modest rally on Monday, lifted by a surprising expansion in U.S. manufacturing in September.

The Dow Jones industrial average .DJI rose 77.98 points, or 0.58 percent, to 13,515.11 at the close. The Standard & Poor's 500 Index .SPX advanced 3.82 points, or 0.27 percent, at 1,444.49. The Nasdaq Composite Index .IXIC dipped 2.70 points, or 0.09 percent, to close at 3,113.53.

(Reporting by Atul Prakash/editing by Chris Pizzey)

• A Permanent Economic Emergency