US STOCKS-Wall St posts gains for 4th week; ends flat for day
* Retail sales top expectations
* Nasdaq biotech index falls 2 pct
* Indexes: Dow off 0.1 pct, S&P up 0.02 pct, Nasdaq up 0.2 pct (Updates to close)
By Caroline Valetkevitch
NEW YORK, Nov 14 (Reuters) - U.S. stocks posted a fourth straight week of increases but ended Friday little changed as losses in healthcare shares offset gains in energy.
Apple shares rose 1.2 percent to $114.18, another record high. The stock lifted the Nasdaq, which outperformed other indexes.
Biotech stocks were among biggest decliners in the S&P health care index, which fell 0.8 percent and was the biggest drag on the S&P 500. Gilead fell 2.1 percent to $102.06, while Biogen Idec lost 3.9 percent to $305.43 and was the biggest percentage decliner on both the S&P 500 and Nasdaq.
The Nasdaq biotech index shed 2 percent, its biggest drop in about a month.
Energy stocks rose 0.8 percent following a bounceback in oil prices. Continuación...