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

USA Compression Partners, LP Co (symbol: USAC) was one of the worst losers
of the trading day today (2015-07-22), losing -9.45%. The number of shares
that changed hands was 153,518, or about 2 times the average daily volume
in the stock.
The closing price was $18.11, amounting to a market cap of $836,180,000,
about -31.51% off the highest price in the last 12 months. The stock has
been trading at a range between $14.45 and $26.44.
USAC is in the Natural Gas Distribution industry, part of the Public
Utilities sector. It first went public in 2013.
Looking at its valuation, the stock is now trading at 25.44 times earnings.