US STOCKS-Wall St dips after string of recent Dow, S&P records
* S&P 500 has ended higher 11 times in past 13 sessions
* Losses broad, but momentum stocks outperform
* Achillion Pharmaceuticals jumps in heavy volume
* Dow down 0.1 pct, S&P 500 down 0.1 pct, Nasdaq down 0.1 pct (Updates to late afternoon, changes byline)
By Caroline Valetkevitch
NEW YORK, June 10 (Reuters) - U.S. stocks eased on Tuesday after the Dow and S&P 500 hit a string of record highs, though high-growth momentum stocks mostly advanced.
The day's losses were slight but broad, with eight of the 10 primary S&P 500 sector indexes down for the day. The S&P industrials index, the biggest decliner, was down just 0.4 percent.
Momentum stocks, marked by hyper levels of growth and concerns about valuation, ranked among the day's biggest outperformers, with a number of Internet names also up for the day. Facebook Inc rose 4.3 percent to $65.59. Netflix Inc gained 1.4 percent to $429.11.
Shares of eBay fell 2.2 percent to $48.51 after news late Monday that David Marcus, who has led eBay's fast-growing payments unit PayPal for the past two years, will step down this month to run Facebook's messaging products. Continuación...