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.
Machinery stocks rose after Agco Corp. (AGCO) , Illinois Tool Works Inc. (ITW) and Cummins Inc. (CMI) boosted their earnings forecasts. Agco rose 3.8 percent to $57, Illinois Tool Works climbed 6.1 percent to $57.73 and Cummins jumped 7.6 percent to $116.39.
AK Steel Holding Corp. (AKS) climbed 6.4 percent, the most since Jan. 25, to $16.96. The third-largest U.S. steelmaker by sales said it earned 8 cents a share in the first quarter. Analysts, on average, estimated the company would report a loss, according to a Bloomberg survey.
Ashland Inc. (ASH) gained 11 percent, the most since May 2009, to $63.15. The maker of Valvoline motor oil reported second-quarter earnings that topped analysts’ estimates and said it will boost dividends starting in June.
Calamos Asset Management Inc. (CLMS) rose 7.1 percent, the most since Aug. 6, to $16.56. The investment adviser will replace Catalyst Health Solutions Inc. (CHSI) in the Standard & Poor’s SmallCap 600 Index as Catalyst replaces AirTran Holdings Inc. (AAI) in the S&P MidCap 400 Index. The changes will take place after the close of trading on May 2 because Southwest Airlines Co. (LUV) is buying AirTran, S&P said. Catalyst Health added 1.1 percent to $57.69.
Carpenter Technology Corp. (CRS) jumped 10 percent, the most since March 2009, to $49.44. The specialty-metals producer posted third-quarter earnings excluding some items of 53 cents a share, 54 percent higher than the average analyst estimate, Bloomberg data show.
Delta Air Lines Inc. (DAL) rose 11 percent, the most since December 2009, to $9.99. The world’s second-largest carrier posted a smaller first-quarter loss than analysts estimated as higher fares helped blunt rising fuel costs.
Emulex Corp. (ELX) fell 6.2 percent, the most since Jan. 21, to $9.71. The chipmaker forecast fourth-quarter adjusted earnings of no more than 12 cents a share, trailing the average analyst estimate of 14 cents a share in a Bloomberg survey.
Endocyte Inc. (ECYT US) surged 25 percent, the biggest gain in the Russell 2000 Index, to $11.88. The biopharmaceutical company is seeking European Union regulatory approval to market ovarian cancer treatments.
Humana Inc. (HUM) rose 5.5 percent to $76.69, the highest price since February 2008. The second-biggest provider of government-backed health benefits raised its profit forecast and will pay its first dividend in 18 years after medical costs were lower than expected.
II-VI Inc. (IIVI) surged 23 percent to $59.17, the highest price since 1987. The maker of optical devices used in laser processing boosted its full-year forecast after third- quarter earnings exceeded analysts’ expectations.
Interactive Intelligence Inc. (ININ) declined 12 percent, the most since July 27, to $36.62. The maker of communication software was cut to “market perform” from “outperform” by Morgan Keegan & Co., which said the shares had reached the near-term price estimate.
Kindred Healthcare Inc. (KND) advanced 18 percent to $28.55, the highest price since September 2008. The largest U.S. operator of hospitals for patients needing long-term care posted first-quarter profit excluding some items of 65 cents a share, topping the average analyst estimate by 35 percent, according to Bloomberg data.
Lexmark International Inc. (LXK) fell 14 percent to $32.76 for the biggest drop in the Standard and Poor’s 500 Index. The maker of laser and inkjet printers forecast second- quarter earnings of no more than $1.10 a share excluding some costs, compared with the average $1.15-a-share estimate in a Bloomberg survey.
Netflix Inc. (NFLX) slumped 9 percent, the most since July 22, to $228.91. The DVD-rental and streaming company forecast second-quarter earnings of no more than $1.15 a share, below the average analyst estimate of $1.18 a share in a Bloomberg survey.
Rediff.com India Ltd. (REDF) rose 23 percent to $14.03, the highest price since November 2007. India’s third-largest Internet portal said it introduced a group deals service in 40 cities in the country.
Rent-A-Center Inc. (RCII US) fell 12 percent, the most since April 2009, to $30.21. The biggest U.S. rent-to-own retailer of consumer electronics and appliances reported first- quarter earnings excluding some items of 79 cents a share, missing the 85-cent a share average estimate among analysts surveyed by Bloomberg.
Ryder System Inc. (R) climbed 5 percent to $52.96, the highest price since October 2008. The largest U.S. truck-leasing company increased its full-year earnings forecast after first- quarter profit beat analysts’ estimates.
Smart Modular Technologies Inc. (SMOD US) jumped 13 percent to $9.27, the highest price since January 2008. The maker of data-storage products said it agreed to be bought for about $645 million in cash by private investment firm Silver Lake Partners and Silver Lake Sumeru.
Tellabs Inc. (TLAB) dropped 9.1 percent, the most since Jan. 25, to $4.90. The voice- and data-systems company forecast second-quarter sales of no more than $345 million, missing the average analyst estimate of $357.3 million in a Bloomberg survey.
UBS AG (UBSN) rose 5.7 percent, the most since July 27, to $19.74. Switzerland’s largest bank attracted the most new money from wealthy customers since the end of 2007 and reported first-quarter profit that beat analysts’ estimates.
Ultra Clean Holdings (UCTT) Inc rallied 13 percent, the most since Jan. 13, to $11.58. The supplier of equipment to semiconductor makers forecast second-quarter profit of at least 26 cents a share, beating the average analyst estimate of 24 cents in a Bloomberg survey.
Vertex Pharmaceuticals Inc. (VRTX) jumped 10 percent to $52.92, the highest price since February 2001. U.S. regulators said the company’s experimental hepatitis C drug cures more patients than current therapies.
Waters Corp. (WAT) rose the most in the S&P 500, jumping 8.4 percent to $98.32. The maker of laboratory products and instruments reported first-quarter earnings excluding some items of $1.03 a share, beating the average analyst estimate by 8.9 percent.
W&T Offshore Inc. (WTI) rallied 18 percent to $27.80, the highest price since September 2008. The oil and gas company posted first-quarter profit excluding some items of 43 cents a share, 27 percent higher than the average analyst estimate, Bloomberg data show.
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