* S&P 500, Nasdaq coming off five-day advances
* Netflix jumps, results show strong subscriber growth
* Rail stocks could benefit from delay in Keystone pipeline
* Futures up: Dow 11 pts, S&P 0.6 pt, Nasdaq 9.75 pts
By Ryan Vlastelica
NEW YORK, April 22 (Reuters) - U.S. stock index futures wereflat on Tuesday as investors found few reasons to continuebuying after a five-day rally in the S&P 500, though Netflixjumped following its earnings results.
* Netflix Inc surged 7.9 percent to $376 inpremarket trading as results on Monday showed strong subscribergrowth, a sign that the trading favorite still had room to growdespite concerns over its elevated valuation. The move helpedboost Nasdaq futures.
* Dow components Travelers Cos Inc and UnitedTechnologies Corp on Tuesday reported first-quarterresults, with United Tech's profit ahead of consensus.
* United Tech was the latest prominent name to outperformthis earnings season, continuing a trend that last week helpedlift the S&P 500 to its best week since July.
* Dozens of S&P 500 components are slated to report thisweek, and of the 87 that had reported thus far, 62.1 percenthave topped earnings expectations, according to Thomson Reutersdata, compared with the 66 percent average over the past fourquarters. On the revenue side, 51.7 percent have exceededforecasts, below the 54 percent average over the past fourquarters.
* S&P 500 companies' first-quarter earnings are projected tohave increased 0.8 percent from a year ago, Thomson Reuters datashowed. The forecast is down sharply from the start of the year,when profit growth was estimated at 6.5 percent.
* S&P 500 futures rose 0.6 point and were slightlyunder fair value, a formula that evaluates pricing by takinginto account interest rates, dividends and time to expiration onthe contract. Dow Jones industrial average futures added11 points and Nasdaq 100 futures rose 9.75 points.
* European shares were sharply higher on the day,rising 1.2 percent on the back of deal activity in thepharmaceutical space, including Novartis both swappingassets with GlaxoSmithKline and selling a unit to EliLilly & Co. U.S. shares of Glaxo rose 4.6 percent to$55.54 in premarket trading.
* Rail stocks may be in focus following the latest delay inthe Keystone XL Pipeline approval, which effectively cements theview that U.S. freight rail haulers are here to stay as bigplayers in the oil-shipping business.
* General Motors Co filed a motion in a U.S.bankruptcy court to enforce a bar on lawsuits related toignition defects in cars sold before its 2009 bankruptcy as itfights a class action lawsuit that seeks to set aside therestriction.
(Editing by Chizu Nomiyama)