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

Leidos Holdings, Inc. Common St (symbol: LDOS) was one of the worst losers
of the trading day today (2016-07-11), losing -6.27%. The number of shares
that changed hands was 6,447,028, or about 14 times the average daily
volume in the stock.
The closing price was $47.42, amounting to a market cap of $3,450,000,000,
about -20.33% off the highest price in the last 12 months. The stock has
been trading at a range between $37.79 and $59.52.
LDOS is in the EDP Services industry, part of the Technology sector.
Looking at its valuation, the stock is now trading at 12.89 times earnings.