Sept. 27 (Bloomberg) -- The following is a list of companies whose shares are having unusual price changes in U.S. exchanges today. Stock symbols are in parentheses after company names. Share prices are as of 10:10 a.m. in New York.

Baytex Energy Trust (BTE US) advanced 91 cents, or 4.7 percent, to $20.28, the highest since July 18. The investment trust with oil and natural gas properties in Canada is a takeover target, CNBC host Jim Cramer said.

Chattem Inc. (CHTT US) rose the most since March 22, gaining $5.28, or 7.8 percent, to $72.75. The maker of Gold Bond foot powder and Selsun Blue shampoo reported third-quarter profit of 90 cents a share excluding some items. The average estimate among 10 analysts is 74 cents in a Bloomberg survey.

China Telecom Corp. American depositary receipts (CHA US) climbed $8.58, or 13 percent, to $76.36, the highest since November 2002. Shares of China's biggest fixed-line telephone operator rose on speculation the government will allow fixed-line phone companies to offer wireless services.

China Netcom Group Corp. (Hong Kong) Ltd. (CN US), the nation's second-biggest fixed-line telephone operator, added 5.8 percent to $54.21.

Copart Inc. (CPRT US) gained $3.19, or 11 percent, to $33.16, the highest since March 1994. The provider of vehicle salvage services said that, excluding some items, it earned 40 cents a share in the fiscal fourth quarter. The average estimate from analysts in a Bloomberg survey was 35 cents.

Embarq Corp. (EQ US) fell the most since May 2006, losing $3.35, or 5.6 percent, to $56.42. The fourth-largest local-phone provider in the U.S. was cut to ``underweight'' from ``equal- weight'' at Morgan Stanley. Analyst Simon Flannery said the company has ``significant exposure'' to some of the areas worst hit by the housing recession, including Florida and Nevada.

Gardner Denver Inc. (GDI US) gained the most since Aug. 10. climbing $2.34, or 6.4 percent, to $38.94. The maker of air compressors and blowers was recommended by CNBC's Cramer because of demand for its products by the oil industry. He said it also will benefit from a weak exchange rate when selling to Europeans.

Genesis Lease Ltd. (GLS US) rose 80 cents, or 3.4 percent, to $24.71, the highest since Aug. 2. The commercial aircraft lessor that first sold shares to the public in December agreed to buy eight planes from a unit of General Electric Co.

Micron Technology Inc. (MU US) gained the most since Aug. 8, adding 44 cents, or 4.1 percent, to $11.19. The largest U.S. maker of computer-memory chips is likely to report fiscal fourth- quarter earnings that will exceed analysts' estimates on Oct. 2, Lazard Capital Markets LLC analyst Daniel Amir wrote in a note.

Progressive Gaming International Corp. (PGIC US) gained the most since Aug. 9, rising 30 cents, or 6.2 percent, to $5.17. Shuffle Master Inc. (SHFL US), the maker of casino roulette-chip sorters and card shufflers, said it will buy Progressive Gaming's worldwide table game division assets for about $30 million.

Rite Aid Corp. (RAD US) lost the most since Sept. 6, falling 21 cents, or 4.3 percent, to $4.84. The third-biggest U.S. drugstore chain said its second-quarter loss widened on costs from its purchase of the Eckerd and Brooks chains. The company lowered its sales forecast and expects a wider loss for the year.

SLM Corp. (SLM US) rose the most since April 16, gaining $3.60, or 8 percent, to $48.61. The largest U.S. student-loan company rejected an overture from investors led by J.C. Flowers & Co. to renegotiate their $25.3 billion leveraged buyout agreement. SLM, better known as Sallie Mae, said in a statement that it would ``pursue all remedies available'' to complete the deal as originally set. Friedman Billings Ramsey & Co. reiterated its ``outperform'' rating on SLM, saying it doesn't expect the buyout group to walk away from the deal.

Starbucks Corp. (SBUX US) lost the most since June 22, falling 67 cents, or 2.4 percent, to $27.02. The world's largest chain of coffee shops was cut to ``sell'' from ``neutral'' at Banc of America on expectations profit growth will slow. Analysts including Andrew M. Barish said challenges include slower same- store sales, margin pressures, competition and weak consumer demand.

Superior Well Services Inc. (SWSI US) gained the most since Aug. 10. rising $1.41, or 6.4 percent, to $23.42. The oilfield services company will replace Neoware Inc. in the Standard & Poor's SmallCap 600.

Traffix Inc. (TRFX US) gained the most since December 1999, rallying $1.98, or 42 percent, to 6.74. The Internet direct marketer agreed to merge with New Motion Inc. (NWMO US). Shareholders of Traffix will receive approximately 0.683 of New Motion share for each share they own, valuing Traffix at $10.59 a share.

Trident Microsystems Inc. (TRID US) gained $1.14, or 7.6 percent, to $16.11, the highest since Aug. 7. The maker of computer graphics chips was initiated at ``buy'' by Goldman Sachs analyst James Schneider. The 12-month price target is $24 a share.

To contact the reporter on this story: Lu Wang in New York at lwang8@bloomberg.net

Last Updated: September 27, 2007 10:35 EDT