Feb. 24 (Bloomberg) -- Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses, and prices are as of 4 p.m. in New York.
Index changes: Northern Oil & Gas Inc. (NOG US) will join the Standard & Poor’s MidCap 400 Index, while Navigant Consulting Inc. (NCI US) will move to the S&P SmallCap 600 Index to replace Genoptix Inc. (GXDX US), S&P said in a statement. Northern Oil rose 4.3 percent to $29.53. Navigant fell 3.2 percent to $9.35.
AXT Inc. (AXTI US) declined 16 percent, the most since May 2009, to $7.06. The maker of semiconductor parts forecast first-quarter profit of 13 cents a share at most, trailing the average analyst estimate of 14 cents in a Bloomberg survey.
Brookdale Senior Living Inc. (BKD US) climbed 8.2 percent to $25.38, the highest price since June 2008. The operator of assisted-living homes for seniors posted a loss excluding some items of 2 cents a share, narrower than the average 5-cent loss estimated in a Bloomberg survey.
Brush Engineered Materials Inc. (BW US) rallied 20 percent to $41.50, the highest price since December 2007. The maker of metals used in electronics reported fourth-quarter earnings of 61 cents a share, beating the average analyst estimate by 38 percent, Bloomberg data showed.
Chart Industries Inc. (GTLS US) climbed 13 percent to $42.93, the highest price since September 2008. The maker of equipment used to produce and store industrial gases posted fourth-quarter profit excluding some items of 36 cents a share, beating the average analyst estimate by 14 percent, Bloomberg data show.
E*Trade Financial Corp. (ETFC US) declined 4.8 percent, the most since Aug. 11, to $15.85. The online brokerage said Citadel LLC will reduce its stake to less than 20 percent three years after the hedge-fund operator injected capital to help the company avoid bankruptcy.
Faro Technologies Inc. (FARO US) rose 18 percent, the most since July 2007, to $35.19. The maker of software and portable measuring devices posted fourth-quarter earnings excluding some items of 29 cents a share, exceeding the average analyst estimate by 24 percent, Bloomberg data showed.
GrafTech International Ltd. (GTI US) dropped 7.8 percent to $20.68, the lowest price since Jan. 28. The maker of products used in steel and aluminum production forecast earnings before interest, taxes and amortization of $55 million at most in the first quarter. On that basis, analysts estimated the company to earn an average $86.2 million, according to a Bloomberg survey.
H&R Block Inc. (HRB US) rose 5.2 percent to $14.91, the highest price since Aug. 5. The tax preparer was raised to “overweight” from “equalweight” at Stephens Inc.
Jack in the Box Inc. (JACK US) fell 7.1 percent, the most since Nov. 23, to $21.65. The fast-food restaurant chain concentrated in the western U.S. forecast 2011 earnings of $1.65 a share at most. Analysts surveyed by Bloomberg have an average projection of $1.63 a share.
Kadant Inc. (KAI US) rose 15 percent, the most since April 29, to $23.89. The paper equipment maker reported fourth-quarter profit of 41 cents a share, exceeding the average analyst estimate by 58 percent, according to Bloomberg data.
Magna International Inc. (MGA US) fell 9.5 percent, the most since March 2009, to $50.42. The maker of automotive parts reported fourth-quarter earnings of 99 cents a share on an adjusted basis, missing the average analyst estimate by 3.1 percent, Bloomberg data showed.
MasTec Inc. (MTZ US) advanced 8.8 percent to $17.38, the highest intraday price since June 2001. The contractor forecast first-quarter earnings of 23 cents a share, exceeding the average analyst estimate by 3 cents, Bloomberg data show.
NetEase.com Inc. (NTES US) rose 6 percent to $45.46, the highest price since September 2009. China’s third-biggest online-games provider said fourth-quarter profit rose 25 percent, beating analysts’ estimates, after the company upgraded its titles to attract players.
Newmont Mining Corp. (NEM US) fell the most in the Standard & Poor’s 500 Index, sinking 7.4 percent to $54.76. The largest U.S. gold producer forecast its gold production will fall this year and costs will climb because of lower grades at an Indonesian mine and rising prices for energy.
Northern Dynasty Minerals Ltd. (NAK US) climbed 10 percent, the most since Jan. 18, to $19.37. The Vancouver-based explorer for gold, copper and molybdenum in Alaska said it received a positive preliminary assessment technical report for its Pebble Project in southwestern Alaska. Adam P. Graf, an analyst with Dahlman Rose & Co., said he sees the company as a takeover target.
PerkinElmer Inc. (PKI US) rose 6.9 percent to $27.72, the highest price since September 2008. The provider of equipment for genetic screening and drug research is considering whether it should find another large company to buy or whether it should put itself up for sale after losing a bid to take over Beckman Coulter Inc. (BEC US) to Danaher Corp. (DHR US), according to people with knowledge of the matter.
Polypore International Inc. (PPO US) climbed 14 percent to $56.53, the highest price since its June 2007 initial public offering. The maker of battery components beat analysts’ average fourth-quarter earnings forecasts by 27 percent, according to data compiled by Bloomberg.
Priceline.com Inc. (PCLN US) rose the most in the Standard & Poor’s 500 Index, gaining 8.5 percent to $462.34. The online travel agency projected first-quarter earnings would be at least $2.34 a share, exceeding the $2.30 average forecast of analysts surveyed by Bloomberg. The company also posted fourth-quarter profit that was better than estimated.
Salix Pharmaceutics Ltd. (SLXP US) plunged 24 percent to $31.61 for the biggest retreat in the Russell 2000 Index. The drugmaker said U.S. regulators won’t approve at this time its Xifaxan drug for treating non-constipation irritable bowel syndrome.
Sears Holdings Corp. (SHLD US) slipped 5.5 percent, the most since Aug. 19, to $82.40. The largest U.S. department-store chain said fourth-quarter profit fell after same-store sales declined during the holidays.
Superior Energy Services Inc. (SPN US) fell the most in the Russell 1000 Index, sliding 7.8 percent to $35.06. The oilfield service provider forecast 2011 earnings of $1.80 to $2.20 a share. Analysts, on average, estimated $2.19, a Bloomberg survey showed.
Titan International Inc. (TWI US) rose 9.4 percent, the most since Nov. 4, to $21.98. The maker of tires and wheels for off-highway vehicles reported fourth-quarter sales of $232.7 million, beating the average analyst estimate by 26 percent, according to Bloomberg data.
WebMD Health Corp. (WBMD US) rose 8.7 percent to $56.83, the highest price since October 2007. The online health information provider forecast 2011 earnings of at least $1.22 a share, which would match the average analyst estimate.
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