US STOCKS-Futures flat at start of second quarter
* S&P 500, Nasdaq coming off 9th quarterly rise
* Crude oil down for fourth day, may pressure energy names
* Investors await data on labor market, manufacturing
* Futures: Dow up 4 pts, S&P down 1.5 pt, Nasdaq down 0.75 pt
By Ryan Vlastelica
NEW YORK, April 1 (Reuters) - U.S. stock index futures were little changed on Wednesday, with investors reluctant to keep pushing shares higher after both the S&P 500 and Nasdaq closed out their ninth straight quarter of advances.
* Trading will likely be driven by economic data for the rest of the week and investors also anticipate the start of the first-quarter earnings season. Key reports on manufacturing will be released after the market opens on Wednesday, while a report on private sector employment is due at 8:15 a.m. EDT (1215 GMT)
* The reports precede Friday's jobs data, the most widely watched indicator of the week, though that arrives on Good Friday, when the stock market will be closed. The inability of market participants to trade off that report could generate some volatility going into the holiday.
* Data due through the week will be studied for indications on whether economic growth is brisk enough that the U.S. Federal Reserve may begin raising interest rates sooner than expected. The Fed has said it would start raising rates when it deems the economy strong enough to withstand the impact; many analysts believe the first hike will come in September. Continuación...