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

SCIENCE APPLICATIONS INTERNATIO (symbol: SAIC) was one of the worst losers
of the trading day today (2015-09-01), losing -12.98%. The number of shares
that changed hands was 722,344, or about 3 times the average daily volume
in the stock.
The closing price was $42.44, amounting to a market cap of $1,950,000,000,
about -24.2% off the highest price in the last 12 months. The stock has
been trading at a range between $41.03 and $55.99.
SAIC is in the EDP Services industry, part of the Technology sector.
Looking at its valuation, the stock is now trading at 14.58 times earnings.