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

China Southern Airlines Company (symbol: ZNH) was one of the worst losers
of the trading day today (2015-09-01), losing -10.25%. The number of shares
that changed hands was 139,726, or about 1 times the average daily volume
in the stock.
The closing price was $28.01, amounting to a market cap of $5,610,000,000,
about -56.71% off the highest price in the last 12 months. The stock has
been trading at a range between $15.79 and $64.71.
ZNH is in the Air Freight/Delivery Services industry, part of the
Transportation sector. It first went public in 1997.
Looking at its valuation, the stock is now trading at 8.89 times earnings.