US STOCKS-Wall St higher as rate hike concerns ease
* Apple boosts all three major indexes
* ADP payrolls data better than expected in March
* Lululemon up after results
* Indexes up: Dow 0.63 pct, S&P 0.52 pct, Nasdaq 0.66 pct (Updates to open)
By Yashaswini Swamynathan
March 30 (Reuters) - Wall Street was higher on Wednesday as investors took comfort from Federal Reserve Chair Janet Yellen's comments that the central bank should tread cautiously on raising rates this year.
Apple's 2 percent rise propped up all three major indexes and helped the S&P 500 extend gains for the year.
Yellen, who made her first remarks since the Fed held steady on rates earlier this month, said inflation in the United States had not yet reached sustainable levels amid uncertainty about China's economy and low oil prices.
Yellen's stance contrasts with recent comments from other policymakers who have voiced support for more than one increase this year. Continuación...