Share prices for Lowe's Cos. Inc. and Rona Inc. went in opposite directions Wednesday after the U.S. home improvement chain agreed to buy its Quebec rival for $3.2-billion. Rona shares surged 98 per cent to close at $23.30 on the Toronto Stock Exchange; Lowe's dropped 6.2 per cent from its previous close in New York. The offer from Lowe's represents a 104-per-cent premium to Rona's Tuesday closing price.