$CALM is one of biggest losers #stocks today. read more:

Cal-Maine Foods, Inc. (symbol: CALM) was one of the worst losers of the
trading day today (2016-03-04), losing -8.86%. The number of shares that
changed hands was 1,813,300, or about 2 times the average daily volume in
the stock.
The closing price was $50.38, amounting to a market cap of $2,440,000,000,
about -20.35% off the highest price in the last 12 months. The stock has
been trading at a range between $35.75 and $63.25.
CALM is in the Farming/Seeds/Milling industry, part of the Consumer
Non-Durables sector. It first went public in 1996.
Looking at its valuation, the stock is now trading at 6.98 times earnings.