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

Williams Companies, Inc. (The) (symbol: WMB) was one of the worst losers of
the trading day today (2016-01-18), losing -11.97%. The number of shares
that changed hands was 24,055,843, or about 2 times the average daily
volume in the stock.
The closing price was $16.1, amounting to a market cap of $12,070,000,000,
about -73.77% off the highest price in the last 12 months. The stock has
been trading at a range between $12.77 and $61.38.
WMB is in the Natural Gas Distribution industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 36.18 times earnings.