| X |
United States Steel Corp. |
XKK |
LEHMAN GOODYEAR |
XOM |
Exxon Mobil Corp. |
| XAA |
American Municipal Income Portfolio Inc. |
XKN |
LEHMAN FORD MOTR |
XOMA |
XOMA Ltd. |
| XATA |
XATA Corp. |
XKO |
LEHMAN ABS 7.75 CORTS 01-37FDX |
XOP |
SPDR S&P O&G EXP |
| XBI |
SPDR S&P BIOTECH |
XL |
XL Capital Ltd. |
XPH |
SPDR S&P PHARMA |
| XBKS |
Xenith Bankshars |
XLB |
Materials Select Sector SPDR Fund |
XPL |
Solitario Exploration & Royalty Corp. |
| XCJ |
Xcel Energy Inc |
XLBS |
PowerShares S&P SmallCap Materials |
XPO |
Express-1 Expedited Solutions Inc |
| XCO |
EXCO Resources Inc. |
XLE |
Energy Select Sector SPDR Fund |
XPP |
ProShares Ultra MSCI FTSE/Xinhua China 2 |
| XCR |
Xcorporeal, Inc. |
XLES |
PowerShares S&P SmallCap Energy |
XPRT |
LECG Corp. |
| XEC |
Cimarex Energy Co. |
XLF |
Financial Select Sector SPDR Fund |
XRA |
Exeter Resource Corporation |
| XEL |
Xcel Energy Inc. |
XLFS |
PowerShares S&P SmallCap Financials |
XRAY |
DENTSPLY International Inc. |
| XES |
SPDR S&P O&G EQU |
XLG |
RYDEX RUSSELL TOP 50 ETF |
XRIT |
X-Rite, Incorporated |
| XETA |
XETA Technologies Inc. |
XLI |
Industrial Select Sector SPDR Fund |
XRM |
Xerium Technologies Inc. |
| XFB |
LEHMAN ABS 8.125 CORTS 02-9 |
XLIS |
PowerShares S&P SmallCap Industrials |
XRO |
Claymore Zacks Sector Rotation |
| XFD |
LEHMAN AIG DB BK |
XLK |
Technology Select Sector SPDR Fund |
XRT |
SPDR S&P RETAIL |
| XFH |
LEHMAN MOTOROLA |
XLKS |
PowerShares S&P SmallCap Information Tec |
XRTX |
Xyratex Ltd. |
| XFJ |
LEHMAN MOT A-1 |
XLNX |
Xilinx Inc. |
XRU |
CurrencyShares Russian Ruble Trust |
| XFL |
LEHMAN VERIZON |
XLP |
Consumer Staples Select Sector SPDR Fund |
XRX |
Xerox Corp. |
| XFN |
Xfone, Inc. |
XLPS |
PowerShares S&P SmallCap Consumer Staple |
XSD |
SPDR S&P SEMICND |
| XFP |
LEHMAN AM GENERL |
XLU |
Utilities Select Sector SPDR Fund |
XSEL |
Xinhua Sports & Entertainment Limited |
| XFR |
LEHMAN BRSTL MYR |
XLUS |
PowerShares S&P SmallCap Utilities |
XTEX |
Crosstex Energy LP |
| XGC |
Claymore Great Compans Lrg Cp Grwth Indx |
XLV |
Health Care Select Sector SPDR Fund |
XTNT |
XTENT, Inc. |
| XHB |
SPDR S&P HM BLDR |
XLVS |
PowerShares S&P SmallCap Health Care |
XTO |
XTO Energy Inc. |
| XIDE |
Exide Technologies |
XLY |
Consumer Discretionary Select Sector SPD |
XTXI |
Crosstex Energy Inc. |
| XIN |
Xinyuan Real Estate Company Ltd. |
XLYS |
PowerShares S&P SmallCap Consumer Discre |
XVF |
LEHMAN ABS 8.0 CORTS 03-6 FORD |
| XING |
Qiao Xing Universal Telephone Inc. |
XME |
SPDR S&P MTL&MNG |
XVG |
LEHMAN ABS 6.05 CORTS 03-7 BA |
| XJT |
ExpressJet Holdings Inc. |
XNN |
Xenonics Holdings, Inc. |
XWES |
World Energy Sol |
| XKE |
LEHMAN ABS 7.75 CORTS 01-31TOY |
XNPT |
Xenoport, Inc. |
XXIA |
Ixia |