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

U S Concrete, Inc. (symbol: USCR) was one of the worst losers of the
trading day today (2016-08-31), losing -7.31%. The number of shares that
changed hands was 1,479,641, or about 4 times the average daily volume in
the stock.
The closing price was $53.02, amounting to a market cap of $791,060,000,
about -23.89% off the highest price in the last 12 months. The stock has
been trading at a range between $40.42 and $69.66.
USCR is in the Building Materials industry, part of the Capital Goods
sector.