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

Black Stone Minerals, L.P. Comm (symbol: BSM) was one of the worst losers
of the trading day today (2015-12-25), losing -4.47%. The number of shares
that changed hands was 108,887, or about 0 times the average daily volume
in the stock.
The closing price was $14.96, amounting to a market cap of $2,860,000,000,
about -21.26% off the highest price in the last 12 months. The stock has
been trading at a range between $12.02 and $19.0.
BSM is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2015.
Looking at its valuation, the stock is now trading at 13.39 times earnings.