$NBG is one of biggest winner #stocks today. read more:

National Bank of Greece SA (symbol: NBG) was one of the biggest winners of
the trading day today (2015-11-23), gaining 32.42%. The number of shares
that changed hands was 113,935,354, or about 8.7 times the average daily
volume in the stock.
The closing price was $0.25, amounting to a market cap of $883,210,000,
about -89.96% off the highest price in the last 12 months. The stock has
been trading at a range between $0.16 and $2.49.
NBG is in the Commercial Banks industry, part of the Finance sector.