** Shares of medical device maker NAOV.O jump 15.7% to a
more than 2-yr high of $3.90, set to gain for a second straight
session
** Co's Q2 revenue rises 18% to $318,000, driven by
increased sales of its PainShield devices urn:newsml:reuters.com:*:nGNXcbTFWy
** Net loss narrows to $216,000 in the qtr from $1.48 mln
the previous year due to lower expenses
** NAOV ended up 33.7% on Monday after co said it would
launch non-prescription version of its pain management device,
PainShield Relief, for over-the-counter sale urn:newsml:reuters.com:*:nL4N2PN3E5
** Stock up 413.2% YTD, including session gains
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com;))