US STOCKS-Wall St ends slightly lower on energy, earnings
* Perrigo shares tumble after guidance, CEO replacement
* Tribune Publishing soars over 50 pct after Gannett offer
* Indexes end down: Dow 0.15 pct, S&P 0.18 pct Nasdaq 0.21 pct (Updates to close)
By Rodrigo Campos
April 25 (Reuters) - Energy shares dragged Wall Street slightly lower on Monday, tracking a decline in oil prices, while earnings and guidance from companies including Perrigo and Xerox also weighed on U.S. stocks.
With the S&P 500 up in eight of the past 10 weeks and nearing the record high set almost a year ago, traders are struggling to find reasons to push it even higher as underwhelming earnings and the specter of higher interest rates hover over markets.
Perrigo Co, down 18 percent after it lowered its adjusted profit forecast for the full year, was among the largest drags on the S&P 500. Its Chief Executive and Chairman Joseph Papa resigned to take the reins at Valeant Pharma , whose U.S.-traded shares have tumbled nearly 85 percent from last August.
"This is hardly a big selloff but we are having trouble breaking through (to new highs on the S&P) because of a lack of consistently good earnings and economic data," said Rick Meckler, president of LibertyView Capital Management in Jersey City, New Jersey.
"One of the few positives is a weaker dollar but it is hard to see a reason for that to continue; rates are being lowered around the world and expected to rise here (in the United States), there's no clear path to a lower dollar." Continuación...