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

Glatfelter Common Stock (symbol: GLT) was one of the worst losers of the
trading day today (2016-11-01), losing -18.99%. The number of shares that
changed hands was 834,594, or about 6 times the average daily volume in the
stock.
The closing price was $18.0, amounting to a market cap of $783,850,000,
about -24.4% off the highest price in the last 12 months. The stock has
been trading at a range between $14.09 and $23.81.
GLT is in the Paper industry, part of the Basic Industries sector.
Looking at its valuation, the stock is now trading at 12.0 times earnings.