Lamb Weston (LW) shares rallied 6.8% in the last trading session to close at $79.27. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 7.7% loss over the past four weeks.Lamb Weston shares surged following reports that Post Holdings is exploring a potential deal with the Idaho based company. Apart from this, Lamb Weston has been benefiting from a favorable pricing environment and seeing strong results from its ...