STAAR Surgical jumps after preliminary Q1 sales beat

Vision correction lens maker STAAR Surgical's STAA.O shares jump 19.8% to $25 premarket after preliminary Q1 sales beat estimates on strong China demand

Q1 sales of $90 mln, more than double year-on-year, analysts' average estimate of $73 mln - LSEG-compiled data

STAA missed sales estimates in previous quarter

Nine of 10 brokerages rate the stock "hold" and 1 "sell" or lower; their median PT is $21

As of last close, STAA down 9.6% YTD