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

Symantec Corporation (symbol: SYMC) was one of the worst losers of the
trading day today (2016-03-04), losing -19.01%. The number of shares that
changed hands was 16,275,104, or about 2 times the average daily volume in
the stock.
The closing price was $16.62, amounting to a market cap of $10,840,000,000,
about -36.47% off the highest price in the last 12 months. The stock has
been trading at a range between $16.14 and $26.16.
SYMC is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 1989.
Looking at its valuation, the stock is now trading at 18.51 times earnings.