R (Ryder System, Inc.)
RA (Brookfield Real Assets Income Fund Inc.)
RAAX (VanEck Vectors Real Asset Allocation ETF)
RADA (RADA Electronic Industries Ltd.)
RADI (Radius Global Infrastructure, Inc.)
RAFE (PIMCO RAFI ESG U.S. ETF PIMCO RAFI ESG U.S. ETF)
RALY (Rally Software Development Corp.)
RAMP (LiveRamp Holdings, Inc.)
RAND (Rand Capital Corporation)
RAPT (RAPT Therapeutics, Inc.)
RARE (Ultragenyx Pharmaceutical Inc.)
RARX (Ra Pharmaceuticals, Inc.)
RAVI (FlexShares Ready Access Variable Income Fund)
RAVN (Raven Industries, Inc.)
RAX (Rackspace Hosting, Inc.)
RBCN (Rubicon Technology, Inc.)
RBIN (Nationwide Risk-Based International Equity ETF)
RBL (SPDR S&P Russia ETF)
RBS (The Royal Bank of Scotland Group plc)
RBUS (Nationwide Risk-Based U.S. Equity ETF)
RBY (Rubicon Minerals Corporation)
RCD (Invesco S&P 500 Equal Weight Consumer Discretionary ETF)
RCEL (AVITA Therapeutics, Inc.)
RCG (RENN Fund, Inc.)
RCS (PIMCO Strategic Income Fund, Inc.)
RCUS (Arcus Biosciences, Inc.)
RDA (RDA Microelectronics, Inc.)
RDIB (Reading International, Inc.)
RDIV (Invesco S&P Ultra Dividend Revenue ETF)
RDN (Radian Group Inc.)
RDVY (First Trust Rising Dividend Achievers ETF)
RDWR (Radware Ltd.)
RDY (Dr. Reddy's Laboratories Limited)
RECS (Columbia Research Enhanced Core ETF)
REDF (Rediff.com India Limited)
REDU (RISE Education Cayman Ltd)
REDV (Invesco Emerging Markets Ultra Dividend Revenue ETF)
REDX (Infraredx, Inc.)
REE (Rare Element Resources Ltd.)
REFA (Invesco International Revenue ETF)
REFR (Research Frontiers Incorporated)
REG (Regency Centers Corporation)
REGI (Renewable Energy Group, Inc.)
REGL (ProShares S&P MidCap 400 Dividend Aristocrats ETF)
REGN (Regeneron Pharmaceuticals, Inc.)
REML (Credit Suisse X-Links Monthly Pay 2xLeveraged Mortgage REIT ETN)
REMX (VanEck Vectors Rare Earth/Strategic Metals ETF)
REMY (Remy International, Inc.)
RESE (WisdomTree Emerging Markets ESG Fund)
RESI (Front Yard Residential Corporation)
RESN (Resonant Inc.)
RESP (WisdomTree U.S. ESG Fund)
RETA (Reata Pharmaceuticals, Inc.)
RETL (Direxion Daily Retail Bull 3X Shares)
REVS (Columbia Research Enhanced Value ETF)
REW (ProShares UltraShort Technology)
REX (REX American Resources Corporation)
REXI (Resource America, Inc.)
REXN (Rexahn Pharmaceuticals, Inc.)
REXR (Rexford Industrial Realty, Inc.)
REXX (Rex Energy Corporation)
REYN (Reynolds Consumer Products Inc.)
REZ (iShares Residential and Multisector Real Estate ETF)
REZI (Resideo Technologies, Inc.)
RF (Regions Financial Corporation)
RFAP (First Trust RiverFront Dynamic Asia Pacific ETF)
RFCI (RiverFront Dynamic Core Income ETF)
RFDA (RiverFront Dynamic US Dividend Advantage ETF)
RFDI (First Trust RiverFront Dynamic Developed International ETF)
RFEM (First Trust RiverFront Dynamic Emerging Markets ETF)
RFEU (First Trust RiverFront Dynamic Europe ETF)
RFFC (RiverFront Dynamic US Flex-Cap ETF)
RFG (Invesco S&P MidCap 400 Pure Growth ETF)
RFI (Cohen & Steers Total Return Realty Fund, Inc.)
RFIL (RF Industries, Ltd.)
RFT (RAIT Financial Trust SR NT 7.625%24)
RFUN (RiverFront Dynamic Unconstrained Income ETF)
RFV (Invesco S&P MidCap 400 Pure Value ETF)
RGA (Reinsurance Group of America, Incorporated)
RGC (Regal Entertainment Group)
RGCO (RGC Resources, Inc.)
RGI (Invesco S&P 500 Equal Weight Industrials ETF)
RGLB (Invesco Global Revenue ETF)
RGLD (Royal Gold, Inc.)
RGR (Sturm, Ruger & Company, Inc.)
RGRO (Oppenheimer Global Growth Revenue ETF)
RGS (Regis Corporation)
RHE (Regional Health Properties, Inc.)
RHI (Robert Half International Inc.)
RHP (Ryman Hospitality Properties, Inc.)
RHS (Invesco S&P 500 Equal Weight Consumer Staples ETF)
RHT (Red Hat, Inc.)
RIBT (RiceBran Technologies)
RIDE (Lordstown Motors Corp.)
RIDV (Invesco International Ultra Dividend Revenue ETF)
RIF (RMR Real Estate Income Fund)
RIGS (RiverFront Strategic Income Fund)
RILY (B. Riley Financial, Inc.)
RILYP (B. Riley Financial, Inc.)
RINF (ProShares Inflation Expectations ETF)
RING (iShares MSCI Global Gold Miners ETF)
RINO (RINO International Corporation)
RIV (RiverNorth Opportunities Fund, Inc.)
RIVR (River Valley Bancorp)
RJA (ELEMENTS Rogers Intl Commodity Agriculture TR ETN)
RJET (Republic Airways Holdings Inc.)
RJF (Raymond James Financial, Inc.)
RJI (ELEMENTS Rogers Intl Commodity TR ETN)
RJN (ELEMENTS Rogers Intl Commodity Energy TR ETN)
RJZ (ELEMENTS Rogers Intl Commodity Metals TR ETN)
RKDA (Arcadia Biosciences, Inc.)
RMG (RMG Acquisition Corp.)
RMGN (RMG Networks Holding Corporation)
RMI (RiverNorth Opportunistic Municipal Income Fund, Inc.)
RMKR (Rainmaker Systems Inc.)
RMM (Rivernorth Managed Duration Municipal Income Fund Inc.)
RMNI (Rimini Street, Inc.)
RNDB (Randolph Bancorp, Inc.)
RNDM (First Trust Developed International Equity Select ETF)
RNDV (First Trust US Equity Dividend Select ETF)
RNDY (Roundy's, Inc.)
RNE (Morgan Stanley Eastern Europe F)
RNEM (First Trust Emerging Markets Equity Select ETF)
RNGR (Ranger Energy Services, Inc.)
RNIN (Wireless Ronin Technologies Inc.)
RNLC (First Trust Large Cap US Equity Select ETF)
RNLX (Renalytix AI plc)
RNMC (First Trust Mid Cap US Equity Select ETF)
RNN (Rexahn Pharmaceuticals, Inc.)
RNO (Rhino Resource Partners LP)
RNP (Cohen & Steers REIT and Preferred Income Fund, Inc.)
RNR (RenaissanceRe Holdings Ltd.)
RNSC (First Trust Small Cap US Equity Select ETF)
RNST (Renasant Corporation)
RNVA (Rennova Health, Inc.)
RNWK (RealNetworks, Inc.)
ROAD (Construction Partners, Inc.)
ROAM (Hartford Multifactor Emerging Markets ETF)
ROAN (Roan Resources, Inc.)
ROBO (Robo Global Robotics and Automation Index ETF)
ROBT (First Trust Nasdaq Artificial Intelligence and Robotics ETF)
ROC (Rockwood Holdings, Inc.)
ROCK (Gibraltar Industries, Inc.)
RODE (Hartford Multifactor Diversified International ETF)
RODI (Barclays Return on Disability ETN)
RODM (Hartford Multifactor Developed Markets (ex-US) ETF)
ROG (Rogers Corporation)
ROIC (Retail Opportunity Investments Corp.)
ROIQ (ROI Acquisition Corp. II)
ROK (Rockwell Automation, Inc.)
ROM (ProShares Ultra Technology)
ROMO (Strategy Shares Newfound/ReSolve Robust Momentum ETF)
ROOF (IQ U.S. Real Estate Small Cap ETF)
RORO (SPDR SSgA Risk Aware ETF)
ROSA (iPath Short Extended Russell 1000 TR Index ETN)
ROSC (Hartford Multifactor Small Cap ETF)
RPG (Invesco S&P 500 Pure Growth ETF)
RPI (Roberts Realty Investors Inc.)
RPLA (Replay Acquisition Corp.)
RPTP (Raptor Pharmaceuticals Corp.)
RPTX (Repare Therapeutics Inc.)
RPUT (WisdomTree CBOE Russell 2000 PutWrite Strategy Fund)
RQI (Cohen & Steers Quality Income Realty Fund, Inc.)
RRBI (Red River Bancshares, Inc.)
RRC (Range Resources Corporation)
RRD (R. R. Donnelley & Sons Company)
RRF (WisdomTree Global Real Return ETF)
RRGB (Red Robin Gourmet Burgers, Inc.)
RRST (RRSat Global Communications Network Ltd.)
RRTS (Roadrunner Transportation Systems, Inc.)
RS (Reliance Steel & Aluminum Co.)
RSCO (SPDR Russell Small Cap Completeness ETF)
RSE (Rouse Properties, Inc.)
RSG (Republic Services, Inc.)
RTL (Pacer Benchmark Retail Real Estate SCTR ETF)
RTLA (iPath Long Extended Russell 2000TR ETN)
RTLR (Rattler Midstream LP)
RTM (Invesco S&P 500 Equal Weight Materials ETF)
RTN (Raytheon Company)
RTNB (root9B Holdings, Inc.)
RTW (RTW Retailwinds, Inc.)
RTX (Raytheon Technologies Corporation)
RUBI (the Rubicon Project, Inc.)
RUBY (Rubius Therapeutics, Inc.)
RUDR (VelocityShares Russia Select DR ETF)
RUHN (Ruhnn Holding Limited)
RUSHB (Rush Enterprises, Inc.)
RUSL (Direxion Daily Russia Bull 2X Shares)
RUSS (Direxion Daily Russia Bear 3X Shares)
RUTH (Ruth's Hospitality Group, Inc.)
RVBD (Riverbed Technology, Inc.)
RVEN (Reven Housing REIT, Inc.)
RVM (Revett Mining Company, Inc.)
RVMD (Revolution Medicines, Inc.)
RVNC (Revance Therapeutics, Inc.)
RVNU (Xtrackers Municipal Infrastructure Revenue Bond ETF)
RVP (Retractable Technologies, Inc.)
RVRS (Reverse Cap Weighted U.S. Large Cap ETF)
RWCD (Direxion MSCI Cyclicals Over Defensives ETF)
RWDC (Direxion MSCI Defensives Over Cyclicals ETF)
RWDE (Direxion MSCI Developed Over Emerging Markets ETF)
RWED (Direxion MSCI Emerging Over Developed Markets ETF)
RWG (Columbia Select Large Cap Growth ETF)
RWGE (Regalwood Global Energy Ltd.)
RWGV (Direxion Russell 1000 Growth Over Value ETF)
RWIU (Direxion FTSE Russell International Over US ETF)
RWJ (Invesco S&P SmallCap 600 Revenue ETF)
RWK (Invesco S&P MidCap 400 Revenue ETF)
RWL (Invesco S&P 500 Revenue ETF)
RWLK (ReWalk Robotics Ltd.)
RWLS (Direxion Russell Large Over Small Cap ETF)
RWM (ProShares Short Russell2000)
RWO (SPDR Dow Jones Global Real Estate ETF)
RWR (SPDR Dow Jones REIT ETF)
RWSL (Direxion Russell Small Over Large Cap ETF)
RWT (Redwood Trust, Inc.)
RWUI (Direxion FTSE Russell US Over International ETF)
RWV (Oppenheimer Navellier Ovrl A100 Revn ETF)
RWVG (Direxion Russell 1000 Value Over Growth ETF)
RWW (Invesco S&P Financials Revenue ETF)
RWX (SPDR Dow Jones International Real Estate ETF)
RWXL (UBS ETRACS M Py 2xLvg DJ Intl RelEst ETN)
RXD (ProShares UltraShort Health Care)
RXDX (Ignyta, Inc.)
RXI (iShares Global Consumer Discretionary ETF)
RYE (Invesco S&P 500 Equal Weight Energy ETF)
RYF (Invesco S&P 500 Equal Weight Financials ETF)
RYH (Invesco S&P 500 Equal Weight Health Care ETF)
RYI (Ryerson Holding Corporation)
RYJ (Invesco Raymond James SB-1 Equity ETF)
RYL (Ryland Group Inc.)
RYLD (Global X Russell 2000 Covered Call ETF)
RYN (Rayonier Inc.)
RYT (Invesco S&P 500 Equal Weight Technology ETF)