US STOCKS-Dow, S&P 500 edge lower as earnings worries deepen
* Netflix to raise share authorization in step to split stock
* GE shares slide after Friday's sharp gains
* Indexes: Dow down 0.2 pct, S&P down 0.2 pct, Nasdaq up 0.02 pct (Updates to afternoon)
By Caroline Valetkevitch
April 13 (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 down 1.2 percent.
The dollar gained 0.2 percent against a basket of major currencies after hitting a peak of 99.99, 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. Continuación...