The following are stock buybacks announced over the past 30 days.

(Interested in learning more about buybacks and why they're important? Check out this article.)

COMPANY SYMBOL AMOUNT NOTES
12/27/2007
Advanced Energy Industries AEIS $75 mln over 1 year
12/24/2007
Giant Interactive GA $200 mln over 1 year
Patterson Companies PDCO 25 mln shares expands prior plan
12/21/2007
Bank of Commerce BOCH 2.5% of shares in 2008
Carpenter Technology CRS $250 mln adds to prior plan
Friedman, Billings, Ramsey FBR 50 mln shares adds to prior plan
Sun Bancorp SNBC 5% of shares prior plan complete
12/20/2007
Northrop Grumman NOC $2.5 bln 9% of outstanding
Pediatrix Medical Group PDX $100 mln
Stewart Enterprises STEI $25 mln adds to prior plan
12/19/2007
Exelon EXC $500 mln adds to prior plan
Holly Corp. HOC $200 mln adds to prior plan
IMS Health RX 20 mln shares prior plan complete
Looksmart LOOK $20 mln dutch auction tender
Philips Electronics PHG $7.2 bln over 2 years
12/18/2007
Adobe Systems ADBE 30 mln shares adds to prior plan
Assisted Living Concepts ALC $25 mln adds to prior plan
Dreamworks Animation SKG DWA $150 mln
First M&F FMFC 500,000 shares 5% of outstanding
12/17/2007
Aon Corp. AOC $2.6 bln adds to prior plan
Bank Mutual Corp. BKMU 2 mln shares adds to prior plan
Monaco Coach MNC $30 mln
Plains Exploration PXP $1 bln replaces prior plan
Safeco SAF $500 mln adds to prior plan
Terex TEX $500 mln adds to prior plan
12/14/2007
Arthrocare ARTC $75 mln thru 3/31/08
Trinity Industries TRN $200 mln thru 2009
12/13/2007
Adams Express ADX 5% of shares over 1 year
AMICAS AMCS $25 mln
Chubb CHB 28 mln shares 7% of outstanding
Cytec Industries CYT $100 mln prior plan complete
Deltic Timber DEL $25 mln adds to prior plan
Interactive Data Corp. IDC 2 mln shares adds to prior plan
S1 Corp. SONE $10 mln adds to prior plan
The Stanley Works STW 10 mln shares
Visteon Corp. VC 2 mln shares over 2 years
12/12/2007
Arrow Electronics ARW $100 mln adds to prior plan
General Electric GE $15 bln over 3 years
L-3 Communications LLL $750 mln adds to prior plan
Microchip Technology MCHP 10 mln shares adds to prior plan
12/11/2007
AT&T T 400 mln shares replaces prior plan
Cummins CMI $500 mln prior plan complete
12/10/2007
Autodesk ADSK 20 mln shares adds to prior plan
Morgans Hotel Group MHGC $25 mln 4% of outstanding
12/07/2007
Cheesecake Factory CAKE 5 mln shares adds to prior plan
Edgewater Technology EDGW $5 mln thru 2008
Harvard Biosciences HBIO $10 mln over 2 years
Standard Parking STAN $25 mln adds to prior plan
12/06/2007
AMERCO UHAL $50 mln thru 2008
AXIS Capital Holdings AXS $400 mln thru 2009
Celadon Group CLDN 2 mln shares prior plan complete
General Dynamics GD 10 mln shares 2.5% of outstanding
Penson Worldwide PNSN $12.5 mln adds to prior plan
12/05/2007
EDS EDS $1 bln over 18 months
Insteel Industries IIIN $25 mln over 1 year
MGM Mirage MGM 20 mln shares adds to prior plan
12/04/2007
American Safety ASI 500,000 shares 5% of outstanding
Dell Inc. DELL $10 bln
Hubbell HUB-A $200 mln adds to prior plan
LodgeNet Entertainment LNET $15 mln
RH Donnelley RHD $100 mln over 1 year
School Specialty SCHS $50 mln prior plan complete
Western Union WU $1 bln adds to prior plan
12/03/2007
Discover Financial Services DFS $1 bln over 3 years
International Business Machines IBM $1 bln adds to prior plan
Lifetime Brands LCUT $40 mln expands prior plan
Metlife MET $2.2 bln each of next two years
11/30/2007
Bank of Marin Bancorp BMRC $5 mln over 1 year
Callaway Golf ELY $100 mln
Drew Industries DW 1 mln shares
Fox Chase Bancorp FXCB 327,000 shares 5% of outstanding
Genworth Financial GNW $1 bln thru 2009
Perry Ellis International PERY $20 mln
11/29/2007
Brown-Forman BFA $200 mln
CB Richard Ellis CBG $635 mln expands prior plan
Silver State Bancorp SSBX 764,415 shares 5% of outstanding
Simmons First National SFNC 700,000 shares 5% of outstanding
11/28/2007
Buckle Inc. BKE 500,000 shares adds to prior plan
Callidus Software CALD $10 mln
Panera Bread PNRA $75 mln
Principal Financial Group PFG $500 mln prior plan complete
Span America Medical SPAN 5% of shares
Universal Technical Institute UTI $50 mln
11/27/2007
Fastenal FAST 1 mln shares
Gymboree GYMB $50 mln
Lifepoint Hospitals LPNT $150 mln over 1 year
Lincoln Bancorp LNCB 265,600 shares 5% of outstanding
11/26/2007
Affiliated Computer Services ACS $1 bln
Ashford Hospitality AHT $50 mln
11/21/2007
First Business Financial FBIZ $1 mln
Ikon Office Solutions IKN $500 mln
S.Y. Bancorp SYBT 550,000 shares 4% of outstanding
11/20/2007
Dillard's DDS $200 mln prior plan complete
Hastings Entertainment HAST $7.5 mln adds to prior plan
MICROS Systems MCRS 1 mln shares over 3 years
Stage Stores SSI $50 mln
Target TGT $10 bln replaces prior plan
11/19/2007
American Equity Investments AEL 10 mln shares over 1 year
Comfort Systems USA FIX 1 mln shares adds to prior plan
Horizon Lines HRZ $50 mln
Magyar Bancorp MGYR 129924 shares 5% of outstanding
Nordstrom JWN $1 bln adds to prior plan
PartnerRe PRE 5 mln shares expands prior plan
11/16/2007
Agilent A $2 bln prior plan complete
AmTrust Fin'l Services AFSI 3 mln shares
Arbitron Inc. ARB $200 mln
Bob Evans Farms BOBE 2 mln shares adds to prior plan
Cisco Systems CSCO $10 bln adds to prior plan
Cooper Tire & Rubber CTB $100 mln replaces prior plan
CSP Inc. CSPI 250,000 shares adds to prior plan
Gardner Denver GDI 2.7 mln shares 5% of outstanding
Lake Shore Bancorp LSBK 141,342 shares 5% of outstanding
NACCO Industries NC $100 mln
Varian Semiconductor VSEA $100 mln adds to prior plan
11/15/2007
Aaron Rents RNT 5 mln shares expands prior plan
Administaff ASF 1 mln shares adds to prior plan
American International Group AIG $8 bln adds to prior plan
Broadcom BRCM $1 bln thru 2008
Electronics for Imaging EFII $100 mln adds to prior plan
First Community Bank FCFL $1.4 mln thru 2008
Hub Group HUBG $75 mln thru 6/30/09
Insight Enterprises NSIT $50 mln
RLI Corp. RLI $200 mln double prior plan
Surmodics SRDX $35 mln prior plan complete
United Community Bancorp UCBA 180,918 shares 5% of outstanding
11/14/2007
Comerica CMA 10 mln shares 6.6% of outstanding
Ethan Allen Interiors ETH 632,000 shares adds to prior plan
Hancock Holding Co. HBHC 3 mln shares prior plan complete
Techne Corp. TECH $150 mln
Whitney Holding WTNY 4 mln shares 5.9% of outstanding
11/13/2007
Aeropostale ARO $250 mln adds to prior plan
Allegheny Technologies ATI $500 mln
Liz Claiborne LIZ $100 mln prior plan complete
Prudential Financial PRU $3.5 bln in 2008
Waste Management WMI $300 mln adds to prior plan
11/12/2007
CSS Industries CSS 500,000 shares 4% of outstanding
Feldman Mall Properties FMP 3 mln shares
Titanium Metals TIE $100 mln
Zale Corp. ZLC $200 mln
11/09/2007
Ambassadors Group EPAX $20 mln adds to prior plan
Brooks Automation BRKS $200 mln
Coach COH $1 bln thru 6/27/09
Estee Lauder EL 20 mln shares 10% of outstanding
Fair Isaac FIC $250 mln replaces prior plan
HNI Corp. HNI $200 mln adds to prior plan
Kenexa KNXA 2 mln shares 8% of outstanding
Starwood Hotels & Resorts HOT $1 bln adds to prior plan
Watts Water Technologies WTS 3 mln shares
11/08/2007
AmerisourceBergen ABC $500 mln adds to prior plan
Cache Inc. CACH 500,000 shares adds to prior plan
CB Richard Ellis CBG $500 mln
Corn Products International CPO 5 mln shares over 3 years
Courier Corp. CRRC $10 mln
Cowen Group COWN 2 mln shares
Delphi Financial Group DFG 1.5 mln shares replaces prior plan
FiberNet Telecom Group FTGX 5 mln shares thru 2008
First California Financial FCAL $5 mln over 1 year
H&E Equipment Services HEES $100 mln
Jarden JAH $100 mln
Oxford Industries OXM $60 mln replaces prior plan
SkyWest SKYW 5 mln shares
Tellabs TLAB $600 mln adds to prior plan
Teradyne TER $400 mln prior plan complete
11/07/2007
First Cash Financial Services FCFS 1 mln shares prior plan complete
Marlin Business Services MRLN $15 mln
Rockwell Automation ROK $1 bln adds to prior plan
Sanders Morris Harris SMHG 1 mln shares 4% of outstanding
Universal Corp. UVV $150 mln
Universal Truckload Services UACL 800,000 shares
11/06/2007
W.R. Berkley BER 20 mln shares 11% of outstanding
Family Dollar FDO $150 mln adds to prior plan
Qlogic QLGC $200 mln over 2 years
Redwood Trust RWT 5 mln shares replaces prior plan
UST Inc. UST $350 mln adds to prior plan
11/05/2007
Anaren ANEN 2 mln shares adds to prior plan
Bank Mutual Corp. BKMU 3 mln shares 5.7% of outstanding
GLG Partners GLG $100 mln over 6 months
Lab Corp. of America LH $500 mln adds to prior plan
Korn/Ferry International KFY $50 mln adds to prior plan
Nu Skin NUS $100 mln adds to prior plan
Vignette VIGN $75 mln
11/02/2007
Crocs, Inc. CROX 1 mln shares
Harrington West Financial HWFG 200,000 shares
11/01/2007
Access National ANCX 1.5 mln shares expands prior plan
Acuity Brands AYI 2 mln shares 5% of outstanding
Allegheny Technologies ATI $500 mln
American Standard ASD $750 mln thru 2008
Epicor Software EPIC $50 mln
Immersion Corp. IMMR $50 mln
Intersil ISIL $400 mln over 1 year
Liberty Media LCAPA $1 bln adds to prior plan
Robert Half International RHI 10 mln shares adds to prior plan
10/31/2007
Constellation Energy CEG $1 bln over 2 years
InterDigital IDCC $100 mln prior plan complete
Plum Creek Timber PCL $200 mln adds to prior plan
UnitedHealth UNH 210 mln shares expands prior plan
10/30/2007
Hanover Insurance THG $100 mln
PACCAR PCAR $300 mln adds to prior plan
United Parcel Service UPS $2 bln adds to prior plan
10/29/2007
Acxiom Corp. ACXM $75 mln over 1 year
Boeing BA $7 bln adds to prior plan
Key Energy Services KEG $300 mln thru 3/31/09
Novellus Systems NVLS $1 bln adds to prior plan
Superior Bancorp SUPR 1 mln shares prior plan complete
10/26/2007
Accenture ACN $3 bln adds to prior plan
Eastman Chemical EMN $700 mln prior plan complete
NewMarket NEU $50 mln thru 2009
10/25/2007
EMC Corp EMC $2 bln expands prior plan
Granite Construction GVA $200 mln replaces prior plan
Integrated Device Technologies IDTI $200 mln expands prior plan
Provident Financial Services PFS 3.1 mln shares 5% of outstanding
TF Financial THRD 200,000 shares 7% of outstanding
United America Indemnity INDM $50 mln over 1 year
10/24/2007
AutoNation AN $250 mln adds to prior plan
CEC Entertainment CEC $200 mln adds to prior plan
Celadon Group CLDN 2 mln shares over 1 year
Cincinnati Financial CINF 13 mln shares adds to prior plan
Source: The Online Investor

This article was written by a staff member of TheStreet.com.

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