Potash (POT) is up $9.32 to $126.25 and POT options are seeing brisk trading after the company increased its first quarter earnigns guidance to $1.30 – $1.50 per share, from .70 to $1.00. 17K calls and 5660 puts traded on POT so far. The top trade looks like an April 100 – 125 strangle, bought at $7.83, 400X.