US STOCKS-Wall Street ends lower in feeble end to strong week
* Crude rally peters out but energy stocks cling to gains
* Fourth-quarter GDP expanded at 1 pct annual rate
* J.C. Penney shares jump after results
* Indexes: Dow -0.34 pct, S&P -0.19 pct, Nasdaq +0.18 pct (Updates to close)
By Noel Randewich
Feb 26 (Reuters) - Wall Street ended lower on Friday in a feeble end to another week of strong gains after concerns about the timing of future interest rate hikes offset gains in materials and energy stocks.
The S&P utility sector led declines, down 2.73 percent. The materials index was the biggest winner and was up for the third straight day with a 1.35 percent rise.
In a break from a trend seen for much of this year, energy shares clung to gains even after a rally in crude oil prices faded, with ConocoPhillips up 3.21 percent.
The Commerce Department said gross domestic product expanded at a 1-percent annual rate in the fourth quarter, an upward revision from its previous estimate of 0.7 percent growth. The data exacerbated concerns that the U.S. Federal Reserve could raise rates sooner rather than later. The economy grew at a rate of 2.0 percent in the third quarter. Continuación...