** Shares of Semrush SEMR.N up 69.6% at $11.48
** Adobe ADBE.O is nearing $1.9 bln deal to acquire software firm SEMR, WSJ reports
** Adobe set to pay $12/shr for Semrush, report says, citing people familiar with the matter
** That represents a premium of around 77.5% to Semrush's closing price on Tuesday
** ADBE and SEMR did not respond immediately to Reuters' requests for comment
** Deal will help Adobe strengthen AI-driven marketing tools and brand analytics capabilities
** Up to last close, Semrush shares down 43.10% YTD, while Adobe shares down 27.03%
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))