By Chuck Mikolajczak
(Reuters) - The S&P 500 and the Dow dipped in afternoon trading on Monday, as a drop in oil prices dragged down energy stocks, while tech names Apple and Alphabet helped drive the Nasdaq higher.
The S&P had hit a record high earlier in the session, but was unable to hold gains as U.S. crude
The correlation between oil prices and equities, which had been very strong until oil rose above $40, is resurfacing now, said Randy Frederick, managing director of trading and derivatives for Charles Schwab in Austin, Texas.
"If oil falls back below $40, which it appears it is going to, it is likely that correlation will come back and that is what we are seeing now."
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The S&P gained 3.6 percent in July - its best month since March - touching intraday highs seven times, on improving economic data and as corporate earnings were not as bad as had been initially feared.
Earnings are now expected to decline 3 percent for the second quarter, according to Thomson Reuters data, an improvement from the 4.5 percent decline expected on July 1.
Exxon
The Dow Jones industrial average <.DJI> fell 41.46 points, or 0.22 percent, to 18,390.78, the S&P 500 <.SPX> lost 3.73 points, or 0.17 percent, to 2,169.87, and the Nasdaq Composite <.IXIC> added 21.24 points, or 0.41 percent, to 5,183.37.
Apple Inc
After tepid U.S. second-quarter gross domestic product data on Friday dimmed some of the optimism over the state of the economy, data on Monday showed U.S. manufacturing activity slowed in July as orders fell broadly and construction spending dropped in June.
Traders saw the chance of a Federal Reserve interest rate hike by year-end at about 35 percent, according to CME Group's Fedwatch, down from more than 50 percent last week.
SolarCity Corp
Declining issues outnumbered advancing ones on the NYSE by a 1.44-to-1 ratio. On Nasdaq, a 1.05-to-1 ratio favoured advancers.
The S&P 500 posted 36 new 52-week highs and no new lows; the Nasdaq Composite recorded 96 new highs and 18 new lows.
(Reporting by Chuck Mikolajczak; Editing by Leslie Adler)


