(Corrects spelling of Buffett in Berkshire Hathaway item)
May 6 (Reuters) - Some U.S. stocks on the move on Monday:
U.S. stocks were little changed, pausing after a rally that pushed the Dow and S&P 500 to record highs last week on improving earnings and reassuring signs about the economy.
The Dow Jones industrial average was down 0.18 percent, while the Standard & Poor’s 500 Index was up 0.03 percent and the Nasdaq Composite Index <.IXIC. was up 0.18 percent.
** BMC SOFTWARE INC, $45.28, up 0.28 pct (0957 ET)
The business software maker said it agreed to be acquired by a private equity group led by Bain Capital and Golden Gate Capital Corp for about $6.9 billion.
** BERKSHIRE HATHAWAY INC, $166,483.7, up 2 pct; , $110.90, up 2 pct (0945 ET)
Warren Buffett’s company reported a 51 percent rise in quarterly profit, helped by solid performance in insurance and many of its other businesses.
The results, announced after markets closed on Friday, led at least two brokerages to raise their price targets on the company’s Class A stock. Both Class A and Class B shares touched record highs in early trading on Monday.
** ARKANSAS BEST CORP, $13.51, up 28 pct (0946 ET)
The trucking company's ABF Freight System unit reached a tentative five-year labor contract with its Teamsters employee union, Arkansas Best said in a regulatory filing late on Friday. (link.reuters.com/veh87t)
** LINN ENERGY LLC, $34.45, down 9 pct (1045 ET)
Barron's said in an article on Saturday that the U.S. oil and gas producer "may be the country's most overpriced large energy producer." The article, titled 'Twilight of a Stock-Market Darling', said the company failed to produce enough cash in the first quarter to cover its 7.5 percent dividend yield and shares could plunge if Linn cuts payout. (link.reuters.com/vuh87t)
** COMBIMATRIX CORP, $3.77, up 9 pct (1027 ET)
The molecular disgnostics company said it would raise $2.4 million through a private placement to certain accredited investors.
** ATLAS AIR WORLDWIDE HOLDINGS, $44.88, up 7.7 pct (1011 ET)
Financial newspaper Barron’s said on Sunday that the global air-freight operator’s shares are undervalued and now is a good time for investors to get on board.
** CRESTWOOD MIDSTREAM PARTNERS LP, $25.44, up 6.7 pct (0953 ET)
** INERGY LP, $23.42, up 6.4 pct (0954 ET)
Crestwood and Inergy agreed to merge in a cash and stock deal to tap demand for pipeline and storage services in North America’s fast-developing shale fields.
** GOOGLE INC, $851.58, up 0.69 pct (0936 ET)
** APPLE INC, $457.01, up 1.56 pct (0934 ET)
The European Commission said it believed Motorola Mobility, a unit of Google, was abusing its market position by seeking and enforcing an injunction against Apple in Germany over patents essential to mobile phone standards.
** TESCO CORP, $11.99, down 5.6 pct (1023 ET)
The company, which delivers technology-based services to oil and gas companies, reported lower-than-expected results for the first quarter, hurt by a fall in drilling activity in North America.
** TYSON FOODS INC, $23.68, down 5 pct (0938 ET)
The largest U.S. meat processor reported a weaker-than-expected quarterly profit as shoppers and restaurants switched to cheaper chicken from beef, and the company cut its full-year sales forecast.
** SAGENT PHARMACEUTICALS INC, $17.35, up 5 pct (1015 ET)
The specialty pharmaceutical company reported first-quarter revenue that beat analysts’ estimates, helped by the launch of its generic cancer drug, Zoledronic acid.
The company also said it would buy the remaining 50 percent interest in a Chinese manufacturing joint venture for $25 million.
** STEIN MART INC, $9.01, up 5 pct (1024 ET)
The regional department store operator reported a better-than-expected profit, helped by higher margins.
** PENN WEST PETROLEUM LTD, $9.96, up 5 pct (1110 ET)
The company, one of Canada’s largest conventional oil and gas producers, appointed two industry veterans to its board. It named Rick George, formerly CEO of Suncor Energy Inc as chairman and Allan Markin, chairman of Canadian Natural Resources as vice-chairman.
** CLIFFS NATURAL RESOURCES INC, $20.81, up 4.52 pct (0939 ET)
FBR Capital Markets raised its rating on the U.S. iron ore and steel making coal miner’s stock to “outperform” from “market perform,” citing the company’s “ability” to withstand weak iron ore prices and higher domestic supply.
** ASSURED GUARANTY LTD, $21.55, up 3.5 pct (1009 ET)
The bond insurer said it reached a settlement with UBS AG in a lawsuit that accused the bank of falsely representing the quality of the loans underlying $1.49 billion of mortgage-backed securities. [ID:nL3N0DN1U7
** ECOPETROL SA , $45.59, down 3 pct (1027 ET)
The Colombian state oil company said on Friday its first-quarter consolidated net profit fell 20.2 percent to 3.41 trillion pesos ($1.86 billion) from a year earlier.
Like other companies operating in Colombia, Ecopetrol -- Latin America’s fourth biggest oil producer -- has been hit by a rise in rebel attacks against oil facilities, delays in getting key permits and an increase in social protests.
** NIELSEN HOLDINGS N.V., $36.26, up 1.73 pct (0942 ET)
Canadian private equity firm Onex Corp said it would buy market research company Nielsen’s expositions business for $950 million in cash.
The wireless service provider sent a letter to shareholders saying the proposed transaction with majority owner Sprint Nextel Corp provides the “best strategic alternative” for Clearwire’s minority stockholders.
** YRC WORLDWIDE INC, $13.95, up 27 pct (0953 ET)
BB&T Capital Markets upgraded the trucking company’s stock to “hold” from “underweight,” saying YRC has made progress towards improving profitability over the last 18 months.
** APOLLO GLOBAL MANAGEMENT LLC, $27.50, up 3.42 pct (0944 ET)
Billionaire Leon Black’s alternative asset manager reported a 72 percent increase in first-quarter profit per share, easily beating expectations as it took advantage of favorable capital market conditions to exit investments.
** TESLA MOTORS INC, $56.00, up 2.6 pct (0947 ET)
The automaker, led by billionaire Elon Musk, overhauled financing strategy for the Model S electric sedan in response to criticism that its initial plan last month overstated the potential cost savings.
** GUIDANCE SOFTWARE INC, $8.54, down 3 pct (0947 ET)
Brokerage Raymond James cuts its price target on the digital software maker’s stock to $10 from $12.
** WESTLAKE CHEMICAL CORP, $85.90, up 4 pct (0957 ET)
The chemicals maker reported a 40 percent increase in first-quarter profit, mainly due to higher pricing and better margins, which were boosted by cheap natural gas-derived feedstock.
** MOBILE MINI INC, $31.97, up 10 pct (1005 ET)
The company, which makes portable storage products, reported better-than-expected first-quarter results on higher revenue from its leasing business.
** DIODES INC, $22.15, up 7 pct (1109 ET)
Brokerage Robert W. Baird & Co upgraded the semiconductor company’s stock to “outperform” from “neutral”, citing a fall in inventory days.
Baird said Diodes’ distributor inventory days declined for the second consecutive quarter, and original equipment manufacturer (OEM) inventory days fell for the fourth straight quarter. Baird also raised its price target on the shares to $29 from $20. The stock was one of the top percentage gainers on the Nasdaq.
** HUMANA INC, $76.49, up 3 pct (1044 ET)
J.P. Morgan Securities analyst Justin Lake raised his rating on the health insurer’s stock to “overweight” from “neutral”, saying the company will be able to continue to grow its Medicare Advantage business despite several more years of reimbursement cuts.
“Future growth should come from a combination of baby boomer age-ins, continued market share gains and potential shifts from employers to Medicare Advantage from self-funded employer retiree plans,” Lake wrote in note to clients.
Medicare Advantage provides care for seniors who select to receive their Medicare benefits through private insurance plans. About 14 million Americans are enrolled in the program. (Reporting by Sruthi Ramakrishnan in Bangalore; Editing by Maju Samuel)