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

Antero Midstream Partners LP Co (symbol: AM) was one of the worst losers of
the trading day today (2016-06-15), losing -4.4%. The number of shares that
changed hands was 783,764, or about 1 times the average daily volume in the
stock.
The closing price was $24.55, amounting to a market cap of $4,320,000,000,
about -16.92% off the highest price in the last 12 months. The stock has
been trading at a range between $16.47 and $29.55.
AM is in the Natural Gas Distribution industry, part of the Public
Utilities sector. It first went public in 2014.
Looking at its valuation, the stock is now trading at 28.25 times earnings.