Hot Stocks: $TSLA surges +8% after strong Q2 result, but sentiment remains ambivalent; $MRNA shares fall after #COVID-19 trial is delayed; US reports 57k new #Coronavirus cases; US states tighten measures ahead of 4th July; More on https://t.co/sMp31s10zm #investing #news #stocks https://t.co/hWfkmLs9WW