** Shares of pest control co Rentokil Initial RTO.L rise as much as 17.8% to 480p
** Stock is top gainer on FTSE 100 .FTSE, which is up 0.13%
** Reports Q3 organic revenue of 3.4% rise vs Jefferies' expectations of 2.4% rise
** "We see results as positive on U.S. recovery momentum," Jefferies analysts said in a note.
** Co expects to deliver 2025 financial results in line with market expectations
** YTD, including sessions moves, stock up nearly 1.5% vs sub-index's 16.5% rise
(Reporting by Krisha Bhatt)