Aug. 9 (Bloomberg) -- The following is a list of companies whose shares had unusual price changes in U.S. exchanges. Stock symbols are in parentheses after company names. Share prices are as of 4 p.m. in New York.

Shares of financial companies fell after BNP Paribas SA (BNP FP), France's biggest bank, halted withdrawals from three funds because it couldn't ``fairly'' value their holdings after U.S. subprime mortgage losses roiled credit markets.

Goldman Sachs Group Inc. (GS US) fell 5.7 percent to $182.25. The world's biggest securities firm had its 2007 and 2008 earnings estimates reduced 5 percent by Sanford C. Bernstein & Co. analyst Brad Hintz, who cited tightening credit markets and mounting bond trading losses.

Morgan Stanley (MS US), the world's second-biggest securities firm, dropped 5.5 percent to $61.81.

Citigroup Inc. (C US), the biggest U.S. bank, declined 5.2 percent to $46.90. JPMorgan Chase & Co. (JPM US), the third biggest, lost 5 percent to $44.17.

Abraxis BioScience Inc. (ABBI US) rose for a seventh day, the longest winning streak since Dec. 2005. The shares gained $1.12, or 4.9 percent, to $24.16 after the maker of injectable drugs reported more second-quarter profit than analysts estimated.

ACI Worldwide Inc. (ACIW US) fell the most since July 26, dropping $1.84, or 5.6 percent, to $30.89. The maker of software for electronic payments reported earnings excluding some items of 16 cents a share for the quarter ended March 31. Analysts expected 33 cents, the average estimate in a Bloomberg survey.

American Oriental Bioengineering Inc. (AOB US) rose the most since Jan. 9, climbing 79 cents, or 9.5 percent, to $9.07. The Chinese biotechnology company said it expects to earn 60 cents a share this year. Four analysts surveyed by Bloomberg had an average estimate of 59 cents.

AmeriCredit Corp. (ACF US) fell the most since July 31, losing $1.48, or 7.1 percent, to $19.31. The provider of car loans cut its fiscal year 2008 earnings forecast to as low as $2.50 a share. Analysts expect $2.79, the average estimate in a Bloomberg survey. Friedman, Billings, Ramsey & Co. cut the shares to ``market perform'' from ``outperform.''

Career Education Corp. (CECO US) fell the most since September, losing $1.77, or 6 percent, to $27.60. The chain of U.S. for-profit colleges said revenue was $405.3 million in the second quarter. The average estimate from nine analysts was $411.8 million, according to a Bloomberg survey.

Apollo Group Inc. (APOL US), the owner of the University of Phoenix and other schools, lost $2.56, or 4.2 percent, to $58.25.

Chesapeake Energy Corp. (CHK US) fell the most since Feb. 2006, losing $1.66, or 4.7 percent, to $33.77. The second-biggest U.S. independent natural-gas producer was cut to ``market perform'' from ``outperform'' by David R. Tameron of Wachovia Securities. The analyst cited the company saying it may sell additional shares to raise capital.

Citi Trends Inc. (CTRN US) fell the most since its initial public offering in May 2005, losing $11.51, or 30 percent, to $26.57. The clothing retailer said in a statement of preliminary results that second-quarter profit was 2 cents to 5 cents a share. Analysts expected 15 cents, the average estimate in a Bloomberg survey.

Dollar Tree Stores Inc. (DLTR US) fell the most since April 2005, losing $3.17, or 7.5 percent, to $39.28. The discount store chain said second-quarter sales were $971.2 million, missing the $976.5 average analyst estimate from a Bloomberg survey.

Family Dollar Stores Inc. (FDO US) fell the most since December 2000, losing $3.74, or 12 percent, to $26.64. The retailer known for selling items priced at $1 or less said fiscal fourth-quarter profit may be as low as 19 cents a share. Analysts expect 28 cents, the average estimate in a Bloomberg survey.

Global Cash Access Holdings Inc. (GCA US) fell the most since its initial public offering in September 2005, losing $2.99, or 20 percent, to $12.21. The seller of cash machines to casinos reported less second-quarter earnings than analysts estimated and cut its 2007 forecast, saying a contract with MGM Mirage (MGM US) will reduce its profit margin by more than expected.

H&E Equipment Services Inc. (HEES US) fell the most since its initial public offering in January 2006, losing $6.38, or 23 percent, to $21.27. The seller and renter of cranes and other construction equipment reduced its earnings estimate for this year to a range of $1.59 to $1.67 a share, citing higher taxes and increased depreciation expense. On average, analysts expected the company to earn $1.84, according to a Bloomberg survey.

Home Depot Inc. (HD US) fell the most since March 2003, dropping $2.01, or 5.3 percent, to $35.79. The world's largest home-improvement retailer may have to cut its $10.3 billion price for the contractor unit it agreed to sell to buyout firms in June. Home Depot also reduced the amount it's willing to pay in a tender offer for 250 million of its own shares.

Infospace Inc. (INSP US) fell the most since May 16, losing $3.35, or 17 percent, to $16.76. The seller of content including music for mobile phones reported a second-quarter loss of 86 cents a share. Analysts expected a loss of 12 cents, the average estimate in a Bloomberg survey.

Input/Output Inc. (IO US) fell the most since July 24, dropping $1.05, or 7.2 percent, to $13.53. The maker of seismic data products said second-quarter net income was 8 cents a share, below the 13-cent average estimate of seven analysts surveyed by Bloomberg.

Kenexa Corp. (KNXA US) fell the most since its initial public offering in June 2005, losing $7.15, or 17 percent, to $33.85. The company, which helps businesses find and hire new employees, said it third-quarter profit excluding some items of as much as 33 cents a share. That's 1 cent short of the average estimate from analysts in a Bloomberg survey.

Knot Inc. (KNOT US) rose the most since March 2003, gaining $4.65, or 25 percent, to $23.33. The owner of a wedding-related Web site said it earned 15 cents a share in the second quarter. Eight analysts surveyed by Bloomberg had an average estimate of 10 cents.

Limelight Networks Inc. (LLNW US) fell the most since its initial public offering in June, dropping $5.81, or 39 percent, to $8.99. The company, which helps businesses speed up delivery of Web videos, forecast full-year profit and sales that trail analysts' estimates.

Lincoln National Corp. (LNC US) fell the most since January 2001, losing $4.16, or 6.8 percent, to $57.17. Neuberger Berman LLC, the company's largest shareholder, sold 101,101 shares, according to a filing with the U.S. Securities and Exchange Commission.

Polo Ralph Lauren Corp. (RL US) fell $4.56, or 5.6 percent, to $77.24, the lowest value since December. Analysts at Piper Jaffray cut 2008 profit estimates for the designer of Chaps and Club Monaco clothing by 15 cents to $3.70 a share. Merrill Lynch & Co. reduced its share-price forecast to $99 from $109. Yesterday, the company lowered its annual forecast for the second time this year.

Systemax Inc. (SYX US) rose the most since June 27, gaining $1.29, or 7.3 percent, to $19. The seller of computer equipment said second-quarter profit almost doubled to $13.8 million.

Tarragon Corp. (TARR US) fell the most ever, losing $1.88, or 67 percent, to 94 cents. The homebuilder said falling sales and its inability to receive new financing threatens the company's ability to remain in business.

Tenet Healthcare Corp. (THC US) rose the most since Aug. 2006, gaining 27 cents, or 6.2 percent, to $4.66. Standard & Poor's stock analyst Jeffrey Englander predicted the second- biggest publicly owned U.S. hospital chain ``may consider strategic alternatives.''

``The company is not for sale,'' Steven Campanini, a spokesman for Dallas-based Tenet, said in an interview.

Westwood One Inc. (WON US) fell the most since Nov. 2006, losing 55 cents, or 14 percent, to $3.40. The syndicator of news, sports and talk radio programs reported lower profit and said falling sales may put the company in violation of loan agreements over the next 12 months.

WuXi PharmaTech Cayman Inc. American depositary receipts (WX US) rallied $5.60, or 40 percent, to $19.60 on the first day of trading. China's largest drug research contractor said it raised $184.6 million in an initial public offering, selling 13.2 million ADRs at $14 each.

To contact the reporter on this story: Sarah Rabil in New York at srabil@bloomberg.net.

Last Updated: August 9, 2007 16:51 EDT