US STOCKS-Wall St lower a day after indexes rally
* "Quadruple witching" to add to volatility
* Indexes set to close higher for the week
* Greece crisis continues
* Indexes down: Dow 0.19 pct, S&P 0.2 pct, Nasdaq 0.16 pct (Updates to open)
By Tanya Agrawal
June 19 (Reuters) - U.S. stocks turned lower after a mixed opening on Friday, a day after Wall Street rallied and the Nasdaq Composite index broke its last standing milestone from the dot-com era as it set a record intraday high.
All three major indexes were still on track to end the week higher.
On Thursday, Wall Street was boosted by strong data, which pointed to signs that the U.S. economy was recovering after growth came to a halt earlier in the year.
U.S. consumer prices last month increased the most in more than two years, jobless claims applications last week fell to a near 15-year low and factory activity in the mid-Atlantic region in June accelerated to a six-month high. Continuación...