By Medha Singh
The energy sector rose 1.41 percent, giving the benchmark S&P 500 the biggest boost, as Brent crude hit $80 per barrel for the first time since November 2014 as renewed U.S. sanctions threatened a fall in exports from Iran in an already tightening market.
Smaller companies continued this year's trend of outperforming their larger rivals with the Russell 2000 reaching a record high for the second session in a row.
Data showed the number of Americans on unemployment rolls last week fell to the lowest since 1973. Other data showed a pickup in factory activity in the mid-Atlantic region this month, with manufacturers saying they were asking for higher prices for their products.
The industrial sector was up 0.61 percent, the second-biggest gainer among the 11 major S&P sectors.
"You have kind of a mixed bag of earnings numbers ... the economic data generally speaking was pretty good and that's leading to a little bit of mild buying in the market," said Paul Nolte, portfolio manager at Kingsview Asset Management in Chicago.
On the Russell 2000, Nolte said, "I think you're starting to see people come into that because it's the only index that has put in a new high and you've got some interest."
At 11:46 a.m. EDT, the Dow Jones Industrial Average was up 30.33 points, or 0.12 percent, at 24,799.26, the S&P 500 was up 5.79 points, or 0.21 percent, at 2,728.25 and the Nasdaq Composite was up 14.08 points, or 0.19 percent, at 7,412.37.
The three rate-sensitive sectors, real-estate, utilities and telecoms, were slightly lower.
The market had opened in the red, weighed by a drop in Cisco and on jitters as U.S. 10-year Treasury yields hovered at 7-year highs and the United States and China started trade talks to try to avert a damaging tariff war.
White House Chief Economic Adviser Larry Kudlow expects China to bring a proposal to the talks which would "extend the conversation and permit additional negotiations".
Keeping the gains in check were Cisco's 2.8 percent drop, the most on the Dow, after the company's forecast indicated its transition to a software-focused business was a work in progress.
Walmart slipped 1.1 percent, reversing premarket gains, after it said profit margins were under pressure, despite sales and earnings beating expectations.
J.C. Penney tumbled 10.7 percent after its same-store sales missed estimates and the company cut its full-year profit forecast.
Advancing issues outnumbered decliners for a 1.55-to-1 ratio on the NYSE and for a 2.05-to-1 ratio on the Nasdaq.
The S&P index recorded 22 new 52-week highs and four new lows, while the Nasdaq recorded 108 new highs and 20 new lows.
(Reporting by Medha Singh in Bengaluru; Editing by Anil D'Silva and Shounak Dasgupta)
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)