** Communication equipment provider's shares up 8 pct at $14.25, U.S.-listed shares up 8 pct at $14.21
** Stock on both exchanges set for their best day in nearly six months
** Celestica's Q2 profit tops analysts' estimates, while Q3 adj. EPS forecast is largely above estimates and revenue view beats estimates
** "The guidance bucks the trends we are seeing from Celestica's key customers in the segment," TD Securities says
** TD Securities among the three brokerages to hike PT on U.S.-listed stock, bumping median PT to $11.50 from $11.25
** Canaccord Genuity upgrades to "buy" from "hold"; now 3 of 12 brokerages rate stock "buy", 8 "hold" and 1 "strong sell"
** Up to Thursday's close, U.S.-listed stock had fallen 14.6 pct in past 12 months