The Dow and S&P 500 are down at midday following a drop in energy shares, while the Nasdaq is up slightly.
Shares of Exxon Mobil
Continue Reading Below
Tech shares are rising, including Yahoo
"It's very light on the economic news (and) with people returning from summer vacation, it's all about the valuations so they will make these little moves like we're seeing here," said Larry Peruzzi, senior equity trader at Cabrera Capital Markets Inc in Boston.
The Dow Jones industrial average <.DJI> is down 24.05 points, or 0.14 percent, to 17,113.31, the S&P 500 <.SPX> is losing 5.66 points, or 0.28 percent, to 2,002.05 and the Nasdaq Composite <.IXIC> is adding 1.84 points, or 0.04 percent, to 4,584.74.
The largest percentage gainer on the New York Stock Exchange is Daqo New Energy
Among the most active stocks on the NYSE are Brazil's Petrobras
Besides Yahoo, most active stocks on the Nasdaq include Microsoft
Declining issues are outnumbering advancing ones on the NYSE by 1,802 to 1,085, for a 1.66-to-1 ratio on the downside; on the Nasdaq, 1,333 issues are rising and 1,292 falling for a 1.03-to-1 ratio favoring advancers.
The broad S&P 500 index is posting 41 new 52-week highs and two new lows; the Nasdaq Composite is recording 64 new highs and 18 new lows.
(By Caroline Valetkevitch; Editing by Lisa Von Ahn, Chizu Nomiyama and Nick Zieminski)