US STOCKS-Futures point to flat open after data; S&P at record
* Dow and S&P 500 coming off record closing highs
* AT&T in talks to buy DirecTV, sources say
* April retail sales up 0.1 pct, less than expected
* Futures up: Dow 33 pts, S&P 0.7 pt, Nasdaq 3.75 pts (Updates with economic data)
By Ryan Vlastelica
NEW YORK, May 13 (Reuters) - U.S. stock index futures pointed to a flat open on Tuesday as investors found few reasons to keep pushing shares higher with major indexes coming off record closes and economic data painting a mixed picture of the economy.
Retail sales rose 0.1 percent in April, less than expected, though March's read was revised upward. Separately, April import prices fell 0.4 percent while export prices dropped 1 percent. Analysts were expecting both to have risen 0.3 percent.
Market participants were also watching merger activity.
Late Monday, sources told Reuters that AT&T Inc was in active talks to buy DirecTV, and that it may complete a deal in the next few weeks that could be worth close to $50 billion. Shares of DirecTV rose 3.2 percent to $89.98 in premarket trading while AT&T lost 7 cents to $36.50. Continuación...