By Caroline Valetkevitch
(Reuters) - U.S. stocks ended down slightly on Tuesday as a drop in healthcare and biotech stocks offset gains in United Technologies and Verizon.
A 5.7-percent drop to $140.64 in IBM
The S&P healthcare sector <.SPXHC> fell 1.5 percent, while the Nasdaq Biotech Index <.NBI> dropped 3.2 percent. Concerns about drug pricing have hit biotech and other healthcare shares.
"You're seeing weakness in momentum names in general. Obviously the healthcare names are under pressure again, especially pharma companies. That further increases the pall over that sector," said Michael O'Rourke, chief market strategist at JonesTrading in Greenwich, Connecticut.
At the same time, O'Rourke said, investors seem to be buying more stable names, such as Apple
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Stocks have mostly gained this month following a selloff in the third quarter, though concern about third-quarter earnings has added to caution in recent sessions.
Among companies beating analysts' expectations, United Technologies
Also on the plus side, Verizon's
The Dow Jones industrial average <.DJI> fell 13.43 points, or 0.08 percent, to 17,217.11, the S&P 500 <.SPX> lost 2.89 points, or 0.14 percent, to 2,030.77 and the Nasdaq Composite <.IXIC> dropped 24.50 points, or 0.5 percent, to 4,880.97.
The S&P 500 is up 5.8 percent so far in October.
Earnings for S&P 500 companies are expected to have fallen about 4 percent in the third quarter, while revenue is expected to have declined 3.8 percent, according to Thomson Reuters data.
Of the S&P 500 companies that have reported so far, roughly 40 percent have beaten revenue expectations, below the long-term average, according to Thomson Reuters data.
Travelers
Shares of Tesla
Advancing issues outnumbered declining ones on the NYSE by 1,888 to 1,170, for a 1.61-to-1 ratio on the upside; on the Nasdaq, 1,426 issues fell and 1,345 advanced for a 1.06-to-1 ratio favouring decliners.
The S&P 500 posted 24 new 52-week highs and 3 new lows; the Nasdaq recorded 66 new highs and 49 new lows.
About 6.0 billion shares changed hands on U.S. exchanges, below the 7.3 billion daily average for the past 20 trading days, according to Thomson Reuters data.
(Additional reporting by Abhiram Nandakumar in Bengaluru; Editing by Don Sebastian and Nick Zieminski)