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

Dycom Industries, Inc. Common S (symbol: DY) was one of the worst losers of
the trading day today (2016-08-11), losing -9.52%. The number of shares
that changed hands was 3,249,539, or about 5 times the average daily volume
in the stock.
The closing price was $82.79, amounting to a market cap of $2,600,000,000,
about -15.91% off the highest price in the last 12 months. The stock has
been trading at a range between $47.1 and $98.45.
DY is in the Water Supply industry, part of the Basic Industries sector.
Looking at its valuation, the stock is now trading at 24.73 times earnings.