US STOCKS-Wall Street lower for 2nd day; healthcare is sole gainer
* ADP misses February expectations, January revised higher
* Markit, ISM services show modest growth
* Healthcare stocks rise after Supreme Court oral argument
* Indexes off: Dow 0.72 pct, S&P 0.58 pct, Nasdaq 0.33 pct (Updates to afternoon, adds commentary)
By Sinead Carew
NEW YORK, March 4 (Reuters) - U.S. stocks were lower on Wednesday, putting indexes on track for a second straight day of declines after a recent rally, with healthcare stocks the only bright spot after a U.S. Supreme Court hearing and a cancer drug approval.
Equities had surged in February and both the Dow and S&P hit record highs on Monday, when the Nasdaq surpassed the 5,000 level for the first time in 15 years.
"The markets are in a wait-and-see mode after hitting record highs," said Alan Gayle, senior investment strategist and director of asset allocation at RidgeWorth Investments in Atlanta.
There is a flurry of economic data due in the rest of the week, culminating with the Labor Department's February payrolls report, which investors will use to gauge the timing of the first Federal Reserve interest rate hike in years. Continuación...