** BlackBerry up 9.3 pct at C$14.50, set for its biggest one-day pct gain since early Jan
** BB top pct gainer on TSX as lower costs help the smartphone software maker top Q2 adj. profit estimates
** BB has beaten profit estimates for at least past eight quarters in a row, while rev has topped for 5 straight quarters
** BB back in the black for 2018, with a 3.2 pct gain
** Six analysts covering BB evenly split between “buy”, “hold” and “sell recommendations, with a median PT of C$13
** BB though trades at ~81x next 12-mth earnings, which compares with 16.4x for Apple -TR data (Reporting by Savio D’Souza)