By Caroline Valetkevitch
(Reuters) - The Dow and S&P 500 edged lower on Monday as caution grew about the dollar's impact on U.S. earnings, while the Nasdaq was up slightly after briefly trading above 5,000.
Shares of big pharmaceutical companies were among the biggest drags on the Dow and S&P 500, with Johnson & Johnson
The dollar gained 0.2 percent against a basket of major currencies after hitting a peak of 99.99 <.DXY>, its highest in four weeks. Market participants have been concerned about the impact of the currency's strength on the profits of multinational companies.
Corporate earnings kicks into high gear this week. Estimates for first-quarter S&P 500 results have fallen sharply since Jan. 1, with earnings for the period expected to have declined 2.9 percent from a year ago, Thomson Reuters data showed.
"I think this is the first quarter where the dollar impact will really be measurable," said Bruce Zaro, chief technical strategist at Bolton Global Asset Management in Boston.
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At 2:21 p.m., the Dow Jones industrial average <.DJI> fell 38.07 points, or 0.21 percent, to 18,019.58, the S&P 500 <.SPX> lost 4.48 points, or 0.21 percent, to 2,097.58 and the Nasdaq Composite <.IXIC> added 0.99 points, or 0.02 percent, to 4,996.96.
Shares of General Electric
Apple
Netflix
Declining issues outnumbered advancing ones on the NYSE by 1,709 to 1,294, for a 1.32-to-1 ratio; on the Nasdaq, 1,402 issues rose and 1,294 fell, for a 1.08-to-1 ratio favouring advancers.
The S&P 500 was posting 24 new 52-week highs and no new lows; the Nasdaq Composite was recording 99 new highs and 20 new lows.
(Additional reporting by Tanya Agrawal; Editing by Bernadette Baum and Nick Zieminski)