• X United States Steel Corp (NYSE)
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• XAIR BEYOND AIR, INC. (NASDAQ)
• XCO EXCO Resources Inc (NYSE)
• XHB SPDR S&P Homebuilders (NYSE)
• XIN Xinyuan Real Estate Co Ltd ADS (NYSE)
• XIV VelocityShares Daily Inverse VIX ST ETN (NYSE)
• XL XL FLEET CORP (NYSE)
• XLB Materials Select Sector SPDR (NYSE)
• XLC Communication Services Select Sector SPDR Fund (NYSE ARCA)
• XLE Energy Select Sector SPDR (NYSE)
• XLF Financial Select Sector SPDR (NYSE)
• XLI Industrial Select Sector SPDR (NYSE)
• XLK Technology Select Sector SPDR (NYSE)
• XLNX Xilinx Inc (NASDAQ)
• XLP Consumer Staples Select Sector SPDR (NYSE)
• XLRE Real Estate Select Sector SPDR Fund (NYSE ARCA)
• XLU Utilities Select Sector SPDR (NYSE)
• XLV Health Care Select Sector SPDR (NYSE)
• XLY Consumer Discret Select Sector SPDR (AMEX)
• XME SPDR S&P Metals & Mining ETF (PCQ)
• XNCR Xencor Inc (NASDAQ)
• XNET Xunlei Limited (NASDAQ)
• XOM Exxon Mobil Corp (NYSE)
• XONE The ExOne Company (NASDAQ)
• XOP SPDR S&P Oil & Gas Exploration & Prod (NYSE)
• XOXO XO Group (NYSE)
• XP Xp Inc (NASDAQ)
• XPER XPERI HOLDING CORPORATION (NASDAQ)
• XPEV XPENG INC. (NYSE)
• XRA Exeter Resource Corp (AMEX)
• XRAY DENTSPLY International Inc (NASDAQ)
• XRS Tal Education Group (NYSE)
• XRT SPDR S&P Retail (AMEX)
• XRX Xerox Corp (NYSE)
• XXIA Ixia (NASDAQ)
• XXII 22nd Century Group Inc (Amex)
• XXV iPath Inverse S&P 500 Vix S/T Fut ETN (NYSE)