** Shares of quantum computing firm Rigetti Computing RGTI.O fall 2.7% to $15.76 in extended trading
** RGTI reports Q2 revenue of $1.8 million, compared with $3.1 million a year earlier
** Net loss widened to $39.7 million in Q2 from $12.4 million a year ago
** As of last close, stock up ~6% this year