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Wall Street's main indexes tumbled at the open on Friday after President Donald
Trump tested positive for COVID-19 weeks before the election, with an elusive
fiscal stimulus and a slowdown in the domestic economic recovery also denting
sentiment.  .N 
    At 9:42 a.m. ET, the Dow Jones Industrial Average  .DJI  was down 0.76% at
27,605.87. The S&P 500  .SPX  was down 0.94% at 3,349.07 and the Nasdaq
Composite  .IXIC  was down 1.34% at 11,174.332.
 
 The top three S&P 500  .PG.INX  percentage gainers:
 ** Invesco Ltd  IVZ.N , up 5.9%
 ** Paycom Software Inc  PAYC.N , up 3.9%
 ** Conagra Brands Inc  CAG.N , up 2.2%
 
 The top three S&P 500  .PL.INX  percentage losers:
 ** Dexcom Inc  DXCM.O , down 4%
 ** Norwegian Cruise Line Holdings Ltd  NCLH.N , down 3.2%
 ** Tapestry Inc  TPR.N , down 3.1%
 
 The top NYSE  .PG.N  percentage gainers:
 ** Xtant Medical Holdings Inc  XTNT.N , up 172.7%
 ** American Renal Associates Holdings Inc  ARA.N , up 64.2%
 
 The top three NYSE  .PL.N  percentage losers:
 ** Electromed Inc  ELMD.N , down 11.1%
 ** Select Energy Services, Inc  WTTR.N , down 9.7%
 ** Gray Television Inc  GTNa.N , down 8.5%
 
 The top Nasdaq  .PG.O  percentage gainers:
 ** Nano-X Imaging Ltd  NNOX.O , up 26.2%
 ** Houghton Mifflin Harcourt Co  HMHC.O , up 19.4%
 
 The top three Nasdaq  .PL.O  percentage losers:
 ** Benitec Biopharma Inc  BNTC.O , down 37.7%
 ** Mesoblast Ltd  MESO.O , down 35.8%
 ** Arcutis Biotherapeutics Inc  ARQT.O , down 14.7%
 
 
 
 ** Twilio Inc  TWLO.N : up 7.4%
 BUZZ-Twilio: Jumps as Q3 sales outlook enthuses Street  urn:newsml:reuters.com:*:nL4N2GT1OC
 
 ** Protara Therapeutics Inc  TARA.O : up 1.2%
 BUZZ-Protara Therapuetics: Rises after hedge fund reports 5.8% passive stake
 urn:newsml:reuters.com:*:nL4N2GS3EI
 
 ** Nu Skin Enterprises Inc  NUS.N : up 9.0%
 BUZZ-Extends gains as brokerages bullish after Q3 forecast raise  urn:newsml:reuters.com:*:nL4N2GT1Y7
 
 ** Tesla Inc  TSLA.O : down 3.4%
 BUZZ-Tesla: Set to snap two-day winning streak  urn:newsml:reuters.com:*:nL4N2GS3HY
 UPDATE 4-Tesla reports record quarterly deliveries, but Model 3 sales
underwhelm bulls  urn:newsml:reuters.com:*:nL4N2GT1Z0
 
 ** JPMorgan Chase & Co  JPM.N : down 0.9%
 ** Morgan Stanley  MS.N : down 0.1%
 ** Goldman Sachs Group Inc  GS.N : down 0.5%
 ** Citigroup Inc  C.N : down 0.8%
 ** Wells Fargo & Co  WFC.N : down 1.0%
 ** Bank of America Corp  BAC.N : down 1.5%
 BUZZ-U.S. big banks track broader market fall as Trump tests COVID-19 positive
 urn:newsml:reuters.com:*:nL4N2GT208
 
 ** ExxonMobil Corp  XOM.N : down 1.1%
 ** Chevron Corp  CVX.N : down 1.1%
 ** Diamondback Energy Inc  FANG.O : up 1.6%
 ** ConocoPhillips  COP.N : down 1.0%
 ** Apache Corp  APA.O : down 0.9%
 ** Callon Petroleum Co  CPE.N : down 2.1%
 ** Halliburton Co  HAL.N : down 2.6%
 ** Patterson-UTI Energy Inc  PTEN.O : down 1.6%
 ** Marathon Petroleum Corp  MPC.N : down 2.0%
 BUZZ-U.S. energy shares: Dragged lower as Trump tests positive for coronavirus
 urn:newsml:reuters.com:*:nL4N2GT1RO
 
 ** Mesoblast Ltd  MESO.O : down 35.8%
 BUZZ-Mesoblast: Slumps as FDA declines to approve transplant rejection
treatment  urn:newsml:reuters.com:*:nL4N2GT1S2
 
 ** Bloom Energy Corp  BE.N : down 7.3%
 BUZZ-Bloom Energy down as Morgan Stanley markets large block  urn:newsml:reuters.com:*:nL1N2GT0BC
 
 ** Activision Blizzard Inc  ATVI.O : down 1.9%
 BUZZ-Slips on delay of new "World of Warcraft" game  urn:newsml:reuters.com:*:nL4N2GT1TJ
 
 ** Assured Guaranty Ltd  AGO.N : up 13.2%
 BUZZ-Rises as co to join S&P 600 small cap index  urn:newsml:reuters.com:*:nL4N2GT1TR
 
 ** Sasol Ltd  SSL.N : down 6.2%
 BUZZ-Slips on U.S. unit's stake sale plans to LyondellBasell for $2 bln
 urn:newsml:reuters.com:*:nL4N2GT1T6
 
 ** Invesco Ltd  IVZ.N : up 5.9%
 BUZZ-Gains on activist Trian stake purchase, possible push for deals
 urn:newsml:reuters.com:*:nL4N2GT1TI
 
 ** DPW Holdings Inc  DPW.A : up 14.2%
 BUZZ-DPW Holdings soars after unit launches new EV charger  urn:newsml:reuters.com:*:nL4N2GT1UT
 
 ** American Airlines Group Inc  AAL.O : down 1.6%
 ** United Airlines Holdings Inc  UAL.O : down 2.3%
 ** Southwest Airlines Co  LUV.N : down 2.6%
 ** Alaska Air Group  ALK.N : down 3.1%
 ** Delta Air Lines Inc  DAL.N : down 2.5%
 ** JetBlue Airways Corp  JBLU.O : down 2.1%
 ** Spirit Airlines Inc  SAVE.N : down 2.9%
 BUZZ-U.S. airlines fall as positive Trump COVID-19 test raises uncertainty
 urn:newsml:reuters.com:*:nL4N2GT1VI
 
 ** Synthetic Biologics Inc  SYN.A : down 36.3%
 BUZZ-Synthetic Biologics scraps irritable bowel treatment trial, shares drop
 urn:newsml:reuters.com:*:nL4N2GT1WI
 
 ** Ibio Inc  IBIO.A : up 3.9%
 BUZZ-Ibio: Gains on deal with Safi Biosolutions  urn:newsml:reuters.com:*:nL4N2GT1WW
 
 ** Co-Diagnostics Inc  CODX.O : up 14.2%
 BUZZ-Up on FDA approving saline oral rinse COVID-19 test  urn:newsml:reuters.com:*:nL4N2GT1XF
 
 ** Chembio Diagnostics Inc  CEMI.O : up 2.5%
 BUZZ-Rises after FDA approves rapid HIV-Syphilis test  urn:newsml:reuters.com:*:nL4N2GT1YS
 
 ** IDT Corp  IDT.N : up 23.5%
 BUZZ-Set for seven-month high on higher Q4 earnings  urn:newsml:reuters.com:*:nL4N2GT200
 
 ** Arcutis Biotherapeutics  ARQT.O : down 14.7%
 BUZZ-Arcutis Biotherapeutics drops on equity raise  urn:newsml:reuters.com:*:nL1N2GT0L4
    
    
 The 11 major S&P 500 sectors:
 
 Communication Services   .SPLRCL   down 1.08%
 Consumer Discretionary   .SPLRCD   down 1.27%
 Consumer Staples         .SPLRCS   down 0.45%
 Energy                   .SPNY     down 1.03%
 Financial                .SPSY     down 0.73%
 Health                   .SPXHC    down 0.30%
 Industrial               .SPLRCI   down 0.48%
 Information Technology   .SPLRCT   down 1.52%
 Materials                .SPLRCM   down 0.16%
 Real Estate              .SPLRCR   down 0.85%
 Utilities                .SPLRCU   down 0.54%
 
 (Compiled by C Nivedita in Bengaluru)
 ((c.nivedita@thomsonreuters.com))