Trade of the day for 5/6/20?

At close on Tuesday, $MGNX $7.5 Calls were getting filled at .01 ($1 per contract). Those calls closed at $1784 yesterday. A gain of 178,400%.

A $500 trade would have net $891,500.

$MGNX $SYX $DJI $TSLA $SHOP $BYND $AMZN $AAPL