• Final Glance: Oil companies Monday, 18 Aug 2014 | 6:02 PM ET

    BP PLC rose$. 51 or 1.1 percent, to $47.90. ConocoPhillips fell $1.28 or 1.6 percent, to $79.34. Exxon Mobil Corp. rose$. 49 or. 5 percent, to $99.52.

  • Early Glance: Oil companies Monday, 18 Aug 2014 | 10:29 AM ET

    BP PLC rose$. 35 or. 7 percent, to $47.74. ConocoPhillips fell$. 57 or. 7 percent, to $80.05. Exxon Mobil Corp. rose$. 39 or. 4 percent, to $99.42.

  • Final Glance: Oil companies Friday, 15 Aug 2014 | 6:16 PM ET

    BP PLC fell$. 02 or percent, to $47.39. ConocoPhillips rose$. 45 or. 6 percent, to $80.62. Exxon Mobil Corp. fell$. 06 or. 1 percent, to $99.03.

  • Correction: Berkshire Hathaway Investments Friday, 15 Aug 2014 | 3:45 PM ET

    OMAHA, Neb.— In a story Aug. 14 about changes to Berkshire Hathaway's stock portfolio, The Associated Press reported erroneously the company had reduced its stake in engineering and construction firm Chicago Bridge& Iron Co. by 1.1 million shares. Berkshire Hathaway has increased its position in Chicago Bridge& Iron by 1.2 million shares.

  • Midday Glance: Oil companies Friday, 15 Aug 2014 | 1:15 PM ET

    BP PLC fell$. 18 or. 4 percent, to $47.23. ConocoPhillips rose$. 55 or. 7 percent, to $80.72. Exxon Mobil Corp. fell$. 53 or. 5 percent, to $98.56.

  • Early Glance: Oil companies Friday, 15 Aug 2014 | 11:21 AM ET

    BP PLC rose$. 03 or. 1 percent, to $47.44. ConocoPhillips fell$. 12 or. 1 percent, to $80.05. Exxon Mobil Corp. fell$. 02 or percent, to $99.07.

  • NEW YORK, Aug 14- Warren Buffett's Berkshire Hathaway Inc disclosed a new $366 million stake in cable TV operator Charter Communications Inc and pared its holdings in two other pay-TV companies, part of a flurry of changes in its stock investments during the second quarter. DirecTV is awaiting regulatory approval to sell itself to AT&T for $48.5 billion.

  • HONG KONG, Aug 14- Petrovietnam has bid for a stake in Murphy Oil Corp's Malaysian oil and gas assets, challenging other suitors including Mitsubishi Corp and Indian state oil companies, a person with direct knowledge of the plan said. Murphy Oil and other U.S. oil companies are reducing overseas holdings as oil and gas exploration prospects improve at home.

  • The R&D elite: America's most innovative companies Wednesday, 6 Aug 2014 | 6:00 AM ET

    The CNBC RQ 50 identifies companies that don't just spend big on R&D, but spend right, creating return on innovation for shareholders.

  • The R&D Hall of Fame: Who makes the cut? Wednesday, 6 Aug 2014 | 6:00 AM ET

    Using the CNBC RQ 50 measure for R&D productivity, we've identified an elite group of companies that merit election to an R&D hall of fame.

  • MENE GRANDE, Venezuela, Aug 5- Venezuelan state oil company PDVSA will sell North American unit Citgo Petroleum if it receives a good offer, Petroleum Minister Rafael Ramirez told reporters on Tuesday in what would be its biggest pullback ever from the U.S. refining market.

  • Chevron profit beats on higher oil, gas prices Friday, 1 Aug 2014 | 10:18 AM ET
    The Chevron logo is displayed at a Chevron gas station in Greenbrae, Calif.

    Chevron reported second-quarter earnings on Thursday that beat Wall Street's expectations.

  • Midday movers: Exxon Mobil, Kellogg, Sony & More Thursday, 31 Jul 2014 | 2:14 PM ET

    Some of Thursday's midday movers:

  • Higher oil prices lift Exxon profit; production sags Thursday, 31 Jul 2014 | 10:37 AM ET

    ExxonMobil reported a stronger-than-expected profit on Thursday as higher prices for its crude and natural gas offset a 6 percent drop in production.

  • Triple-digit fall for Dow futures after jobless claims Thursday, 31 Jul 2014 | 8:49 AM ET

    U.S. stock-index futures ticked lower on Thursday, as investors awaited a blast of earnings and the usual weekly jobless figures.

  • July 31- ConocoPhillips, the largest U.S. independent oil and gas company, on Thursday reported a quarterly profit that just beat Wall Street expectations, helped by an increase in oil and gas production. Income in the second quarter totaled $2.08 billion, or $1.67 per share, compared with $2.05 billion, or $1.65 per share in the year-ago period.

  • Poland cuts estimate for shale gas exploration wells Thursday, 31 Jul 2014 | 7:40 AM ET

    *80 shale wells to have been drilled by late 2014. WARSAW, July 31- Poland is seeing less exploratory drilling for shale gas than expected, environment minister Maciej Grabowski told Reuters, dealing a setback to the country's efforts to find a cheap alternative to the natural gas it imports from Russia.

  • July 30- Cenovus Energy Inc, Canada's No.2 independent oil producer, said its second-quarter profit more than tripled, helped by increased production at its Christina Lake oil sands project in northern Alberta.

  • US oil's new 'Big Three' form million barrel club Sunday, 27 Jul 2014 | 9:00 AM ET
    An oil pump operates in the Permian Basin oil field near Carlsbad, New Mexico.

    The Bakken, Eagle Ford and Permian Basin are generating more than a million barrels of oil per day each, a third of U.S. daily production.

  • Summer's busiest week for markets is here Friday, 25 Jul 2014 | 6:10 PM ET
    Traders work on the floor of the New York Stock Exchange (NYSE) on Friday.

    A crush of big cap earnings and arguably the most important economic reports until September make next week the busiest of the summer for markets.