| Symbol | Name | Exchange |
   | SIFI | SI Financial Group Inc. | NASD |
| SINT | SI Intl, Inc. | NASD |
| SIBN | Siberian Energy Group Inc. | NASD |
| SIBE | Sibling Entertainment Group, Inc. | NASD |
| SBON | Siboney Corp. | NASD |
| SD.V | Sidon International Resources Corporation | CDNX |
| SIEB | Siebert Financial Corp. | NASD |
| SLXN | Sielox, Inc. | NASD |
| SI | Siemens AG | NYSE |
| SIEN | Siena Technologies, Inc. | NASD |
| SGP.V | Sienna Gold Inc. | CDNX |
| SCFSX | Sierra Club Stock Fund | USMF |
| FSUSX | SIERRA CLUB STOCK FUND CLASS A | USMF |
| SRA.V | Sierra Geothermal Power Corp. | CDNX |
| SGCP | Sierra Gold Corp. | PINK |
| SIM.TO | Sierra Minerals Inc. | TSE |
| SRP | Sierra Pacific Resources | NYSE |
| SW.TO | Sierra Wireless, Inc. | TSE |
| SWIR | Sierra Wireless, Inc. | NASD |
| SIF | SIFCO Industries, Inc. | AMEX |
| SIFY | Sify Technologies Ltd. | NASD |
| $SCP | SIG Coal Producers Index | INDX |
| $EPX | SIG Oil Exploration & Production Index | INDX |
| $STQ | SIG Steel Producers Index | INDX |
| SIGA | SIGA Technologies, Inc. | NASD |
| SIGM | Sigma Designs, Inc. | NASD |
| SGGC | Sigma Global Corp. | PINK |
| SIAL | Sigma-Aldrich Corp. | NASD |
| SGTL | Sigmatel Inc. | NASD |
| SGMA | SigmaTron Intl, Inc. | NASD |
| SGN | Signalife, Inc. | AMEX |
| SBNY | Signature Bank | NASD |
| SDVI | Signature Devices, Inc. | PINK |
| SXLP | Signature Exploration and Production Corp. | NASD |
| SGLS | Signature Leisure, Inc. | NASD |
| SIG | Signet Group PLC | NYSE |
| SKI.V | Sikanni Services Ltd. | CDNX |
| SLGN | Silgan Holdings, Inc. | NASD |
| SILC | Silicom Ltd. | NASD |
| SGIC | Silicon Graphics Inc. | NYSE |
| SIMG | Silicon Image, Inc. | NASD |
| SLAB | Silicon Laboratories, Inc. | NASD |
| SIMO | Silicon Motion Technology Corp. ADS | NASD |
| SLCM | Silicon Mountain Holdings, Inc. | NASD |
| SSTI | Silicon Storage Technology, Inc. | NASD |
| SPIL | Siliconware Precision Industries Co., Ltd. | NASD |
| SIL.V | Silk Road Resources Ltd. | CDNX |
| $SILVER | Silver - Continuous Contract (EOD) | INDX |
| SBR.TO | Silver Bear Resources Inc. | TSE |
| SBUM | Silver Buckle Mines Inc | PINK |
| SIBM | Silver Butte Mining Co. (Idaho) | NASD |
| SDRG | Silver Dragon Resources Inc. | NASD |
| SEG.TO | Silver Eagle Mines, Inc. | TSE |
| SFMI | Silver Falcon Mining, Inc. | PINK |
| SF.V | Silver Fields Resources, Inc. | CDNX |
| SVG.V | Silver Grail Resources Limited | CDNX |
| SQI.V | Silver Quest Resources Ltd. | CDNX |
| SSE.V | Silver Spruce Resources, Inc. | CDNX |
| SSO.TO | Silver Standard Resources, Inc. | TSE |
| SSRI | Silver Standard Resources, Inc. | NASD |
| SSTA | Silver Star Capital Holdings, Inc. | PINK |
| SVSE | Silver Star Energy Inc. | PINK |
| SSBX | Silver State Bancorp | NASD |
| SLW.TO | Silver Wheaton Corp. | TSE |
| SLW/WA.TO | Silver Wheaton Corp. | TSE |
| SLW/WT.TO | Silver Wheaton Corp. | TSE |
| SLW/WB.TO | Silver Wheaton Corp. Wt. B | TSE |
| SLW | Silver Wheaton Corporation | NYSE |
| MEDT | Silverado Financial, Inc. | PINK |
| SLGLF | Silverado Gold Mines Ltd. | NASD |
| SVB.V | Silverbirch Inc. | CDNX |
| SVM.TO | Silvercorp Metals Inc. | TSE |
| SVL.V | Silvercrest Mines Inc. | CDNX |
| SVLF | Silverleaf Resorts Inc. | NASD |
| SYI.V | Silvermet Inc. | CDNX |
| SMR.V | Silvermex Resources Ltd | CDNX |
| SSTR | Silverstar Holdings, Ltd. | NASD |
| SST.V | Silverstone Resources Corp. | CDNX |
| SVW.TO | Silverwing Energy, Inc. | TSE |
| SBAM | Simba Mines, Inc. | PINK |
| SAU.V | Simberi Gold Corp. | CDNX |
| SCR | Simcere Pharmaceutical Group | NYSE |
| SIMC | Simclar, Inc. | NASD |
| SMOM | Simcoe Mining Resources Inc | PINK |
| SFNC | Simmons First National Corp. | NASD |
| SPG/PJ | Simon Property Group Inc. | NYSE |
| SPG | Simon Property Group, Inc. | NYSE |
| SPG/PI | Simon Property PFD I WI | NYSE |
| SSD | Simpson Mfg Co, Inc. | NYSE |
| SMS | SIMS Group Ltd. | NYSE |
| SMTK | Simtek | NASD |
| SMEV | Simulated Environment Concepts Inc. | PINK |
| SLP | Simulations Plus, Inc. | NASD |
| SINA | sina.com | NASD |
| SMZ.V | Sinchao Metals Corp. | CDNX |
| SBGI | Sinclair Broadcast Group, Inc. | NASD |
| SGF | Singapore Fund, Inc. | NYSE |
| EWS | Singapore iShares | NYSE |
| $STI | Singapore Straits Times Index (EOD) | INDX |
| SMD | Singing Machine Co., Inc. | AMEX |
| SXPT | Sino Express Travel Ltd. | PINK |
| SFBE | Sino Fibre Communications, Inc. | NASD |
| SGAS | Sino Gas Intl Holdings, Inc. | NASD |
| SSHZ | Sino Shipping Holdings Inc. | NASD |
| TRE.TO | Sino-Forest Corp. | TSE |
| SINO | Sino-Global Shipping America, Ltd. | NASD |
| SOBM | Sinobiomed, Inc. | NASD |
| SINE | Sinoenergy Corp. | NASD |
| SFSH | SinoFresh Healthcare Inc. | NASD |
| SVA | Sinovac Biotech Ltd. | AMEX |
| SINX | Sionix Corp. | NASD |
| SIPC | Sipp Industries, Inc. | PINK |
| SIPN | SIPP International Industries, Inc. | PINK |
| SRV/UN.TO | SIR Royalty Income Fund | TSE |
| SIRF | SiRF Technology Holdings Inc. | NASD |
| SIRCQ | SiriCOMM Inc. | PINK |
| SOI.V | Sirios Resources Inc. | CDNX |
| SI.TO | SIRIT, Inc. | TSE |
| SIRI | Sirius Satellite Radio, Inc. | NASD |
| SIRO | Sirona Dental Systems, Inc. | NASD |
| SIRT | Sirtris Pharmaceuticals, Inc. | NASD |
| SIBAX | Sit Balanced Fund | USMF |
| SDMGX | Sit Developing Markets Growth Fund | USMF |
| SDVGX | Sit Dividend Growth fund | USMF |
| SNGRX | Sit International Growth | USMF |
| SNIGX | Sit Large Cap Growth Fund, Inc. | USMF |
| NBNGX | Sit Mid Cap Growth Fund | USMF |
| SMTFX | Sit MN Tax-Free Income | USMF |
| SSMGX | Sit Small Cap Growth Fund | USMF |
| SNTIX | Sit Tax-Free Income Fund | USMF |
| SNGVX | Sit U.S. Government Securities | USMF |
| SYTE | Sitestar | NASD |
| SVTLQ | SiVault Systems, Inc. | PINK |
| SIVO | SIVOO, Inc. | PINK |
| SIX | Six Flags, Inc. | NYSE |
| SIX/UN.TO | Sixty Plus Income Trust | TSE |
| SXT.TO | Sixty Split Corp. | TSE |
| SJW | SJW Corp. | NYSE |
| SKN.V | Skana Capital Corp. | CDNX |
| SKX | Skechers Usa, Inc. | NYSE |
| SKE.V | Skeena Resources Ltd. | CDNX |
| SKH | Skilled Healthcare Group Inc. | NYSE |
| SKIL | SkillSoft Plc | NASD |
| SKNY | Skinny Nutritional Corp. | NASD |
| SKNN | Skins Inc. | NASD |
| SKVI | Skinvisible, Inc. | NASD |
| SKZW | SkinzWraps, Inc. | PINK |
| SKF.V | Skor Food Group Inc. | CDNX |
| SKM | SKTelecom Co. Ltd. | NYSE |
| SKYF | Sky Financial Group Inc. | PINK |
| SKPI | Sky Petroleum Inc | NASD |
| SKGO | SkyBridge Technology Group, Inc. | PINK |
| SKYI | Skye Intl, Inc. | NASD |
| SKR.TO | Skye Resources Incorporated | TSE |
| SKV.V | Skygold Ventures Ltd. | CDNX |
| SYH.V | Skyharbour Developments Ltd. | CDNX |
| SKY | Skyline Corp. | NYSE |
| SK.V | Skyline Gold Corp. | CDNX |
| SKYL | Skyline Multimedia Entertainment Inc. | PINK |
| SKSEX | Skyline Special Equities Ptfolio | USMF |
| SLP/UN.TO | Skylon Global Capital Yield Trust | TSE |
| SPO/UN.TO | Skylon Global Capital Yield Trust II | TSE |
| SKG/UN.TO | Skylon Growth & Income Trust | TSE |
| SIA/UN.TO | Skylon International Advantage Yield Trust $USD | TSE |
| SKYC | SkyLynx Communications Inc. | PINK |
| SPFJ | SkyPeople Fruit Juice, Inc. | NASD |
| SKBI | Skystar Bio-Pharma Co. | NASD |
| SKYT | Skyterra Communications Inc. | NASD |
| SWYCQ | Skyway Communications Holdings Corp. | PINK |
| SKYW | SkyWest, Inc. | NASD |
| SWKS | Skyworks Solutions Inc. | NASD |
| SLG | SL Green Realty Corp. | NYSE |
| SLI | Sl Industries, Inc. | AMEX |
| SLS.TO | SL Split Corp. | TSE |
| SLS/PA.TO | SL Split Corp. | TSE |
| SXL.V | Slam Exploration Ltd. | CDNX |
| Z/UN.TO | Sleep Country Canada Income Fund | TSE |
| JSM | SLM Corp. | NYSE |
| OSM | SLM Corp. | NYSE |
| SLM | SLM Holding Corp. | NYSE |
| $SAX | Slovakia (Bratislava) SAX Index (EOD) | INDX |
| SLSZ | SLS Intl, Inc. | PINK |
| APSCX | SM&R Alger Small-Cap Fund | USMF |
| SMRAX | SM&R Balanced Fund | USMF |
| AMRNX | SM&R Growth Fund | USMF |
| SMXAX | SM&R Tax-Free Fund | USMF |
| SRTMX | SMA RELATIONSHIP TRUST SERIES | USMF |
| RCC | Small Cap Premium & Dividend Income Fund | NYSE |
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