Johnson &amp; Johnson hopes to begin late-stage #coronavirusvaccine trial ahead of schedule in September https://t.co/oM1HL3Qg41 $JNJ $SPY $SPX $DIA $DJI $DJIA $VXX $VIIX $TLT $IEF $TYX $TNX $GLD $GDX $MRNA $AZN $BNTX $INO $NVAX $IBB $PFE