Mosaic (MOS) caught my eye as another name that was having trouble putting in new highs.

FORBES: POT Is Going Up In SMOKE

Fertilizer producer Mosaic (MOS) said late yesterday it plans to reduce phosphate production, because prices have fallen to levels that are unsustainable.

FORBES: Daily Wrap

But Agrium shares are the least overpriced, while competitors like Potash ( POT) and Mosaic ( MOS) are way over the top.

FORBES: How To Play The Boom In Ag Stocks