By Anora Mahmudova and Sara Sjolin, MarketWatch

NEW YORK (MarketWatch) -- The U.S. stock market opened higher, as investors digested second-quarter results coming in through thick and fast.

The S&P 500 (SPX) opened 8 points, or 0.4%, higher at 1,981.66, led by stellar results from Chipotle Mexican Grill Inc. The Dow Jones Industrial Average (DJI) added 42 points, or 0.2%, to 17,090.26. The Nasdaq Composite (RIXF) began the trading session up 25 points, or 0.6%, at 4,449.68.

Follow MarketWatch's live blog of today's stock-market action.

In economic news, consumer prices gained again in June, but the rise was not as broad-based as in the prior month and was driven mainly by the rising cost for gasoline.

Inflation, as measured by CPI, has picked up noticeably in recent months, but Tuesday's tame reading could ease some of those concerns.

The National Association of Realtors will report on existing-home sales at 10 a.m. Eastern Time. Economists expect an annual rate of 5 million for June, compared with a 4.89 million pace in May. The FHFA house-price index is also due in the morning.

After six blue chip companies reported results before Tuesday's open, the impact of their shares on the Dow industrials capped gains.

Coca-Cola (KO) shares fell 3% after the beverage giant reported second-quarter sales that fell short of forecasts, while profit topped estimates.

McDonald's (MCD) shares dropped 2.4% after the fast-food restaurant chain reported earnings that came in below expectations.

Verizon Communications Inc. (VZ) said second-quarter profit grew sharply thanks to its recent acquisition of Verizon Wireless. Shares were off slightly nevertheless.

Shares of Comcast Corp. (CMCSA) rose 2.3% after the cable company said second-quarter profit rose 15%, in part as it reduced its rate of video-subscriber losses.

Industrial and aerospace products maker United Technologies Corp. (UTX) posted quarterly earnings and sales that surpassed expectations. It also raised its full-year earnings forecast. Shares were down slightly. Read more about the day's big movers here.

One headline earnings report, however, isn't out until after the closing bell. Apple (AAPL) will release fiscal third-quarter results, and it is forecast to have earned $1.23 a share for the quarter ended in June, which reflects the 7-for-1 stock split that took effect June 9. During the same period a year ago, Apple earned a pre-split $7.47 a share.

Microsoft (MSFT) also reports after the markets close. Also read: Apple, Microsoft to awaken 'comfortably numb' markets.

Herbalife Ltd. (HLF) was 1.2% higher, rebounding from losses on Monday when shares tumbled after activist investor Bill Ackman said he plans to deliver a "deathblow" to the company, by exposing it as a "massive fraud." The presentation is planned for Tuesday at 10 a.m. Eastern.

Amazon.com Inc. (AMZN) lost 1% after Citigroup cut its view on the online retailer to neutral from buy.

Conflict between Russia and Ukraine remains in the spotlight, as European Union foreign ministers are gathering in Brussels on Tuesday to discuss further sanctions on Russia following the incident.

In Tuesday's trade, European and Asian equity markets were gaining. Oil futures (CLQ4) continued to rise, while metals prices (GCQ4)were mostly lower. The dollar advanced against most rivals.

More must-reads from MarketWatch:

Not much fallout from Gaza, Ukraine? Just wait a year, says Saxo Bank

6 books Bills Gates says you should read this summer

Cody Willard: Best marijuana stocks to buy now

Subscribe to WSJ: http://online.wsj.com?mod=djnwires

Coca Cola (NYSE:KO)
Historical Stock Chart
From Mar 2024 to Apr 2024 Click Here for more Coca Cola Charts.
Coca Cola (NYSE:KO)
Historical Stock Chart
From Apr 2023 to Apr 2024 Click Here for more Coca Cola Charts.