U.S. stock index futures pointed to a higher open on Wall Street on Tuesday, after strong quarterly results from bellwethers Apple and Texas Instruments pleased investors.

At 4.37 a.m. EDT, futures for the S&P 500 were up 0.05 percent, Dow Jones futures were up 0.02 percent and Nasdaq 100 futures were up 0.59 percent.

Apple's profits and sales streaked past Wall Street forecasts as iPhone and Mac sales hit quarterly records, sending its shares jumping to all-time highs in extended trading on Monday. Shares of Apple traded in Frankfurt were up 5.5 percent.

Texas Instruments posted better-than-expected third-quarter results on Monday, citing strong demand from every industry that uses its chips, from cars to computers and phones. Shares of Texas Instruments traded in Frankfurt were up 2.9 percent.

Investors were bracing for a flurry or corporate results on Tuesday, with earnings due from companies such as Pfizer , The Coca-Cola Co , Caterpillar , State Street Corp , DuPont , BNY Mellon , Yahoo , Biogen Idec , Lockheed Martin and United Tech .

Energy stocks will be in the spotlight after U.S. crude futures rallied to a one-year high above $80 a barrel on Tuesday, lifted in part by a slump in the dollar to a 14-month low against a basket of currencies on a cocktail of policymaker comments, but options-related buying kept it from pushing through $1.50 against the euro.

Japan's Nikkei <.N225> average hit its highest close in three weeks on Tuesday, buoyed by tech shares such as Kyocera Corp <6971.T> after the wave of solid U.S. company earnings, while European shares were down 0.5 percent in morning trade, with banking shares among the biggest drags, one day after the market reached a one-year high on earnings optimism.

The financial sector will be in focus after the Wall Street Journal reported, citing a person close to the situation, two of the brokerage firms that have traded with Raj Rajaratnam's Galleon Group -- Bank of America Merrill Lynch and Barclays PLC -- have told the firm they no longer will.

IMS Health Inc is in talks with private equity firms about the sale of the company, sources familiar with the situation said on Monday. IMS, which provides data on prescription drug sales, could not be immediately reached for comment.

On the macro side, investors will keep an eye on U.S. housing starts data for September as well as U.S. producer prices data, both due at 1230 GMT.

U.S. stocks rose to fresh 12-month highs on Monday as optimistic investors rode a wave of solid quarterly earnings.

The Dow Jones industrial average <.DJI> added 96.28 points, or 0.96 percent, to end at 10,092.19. The Standard & Poor's 500 Index <.SPX> gained 10.23 points, or 0.94 percent, to 1,097.91. The Nasdaq Composite Index <.IXIC> rose 19.52 points, or 0.91 percent, to 2,176.32.

* The Dow industrials and the S&P 500 closed at levels not seen since October 2008, while Nasdaq is at an almost 13-month closing high.

(Reporting by Blaise Robinson; Editing by Mike Nesbit)

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