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

Braskem SA ADR (symbol: BAK) was one of the worst losers of the trading day
today (2015-07-27), losing -9.45%. The number of shares that changed hands
was 955,649, or about 2 times the average daily volume in the stock.
The closing price was $6.42, amounting to a market cap of $2,560,000,000,
about -58.82% off the highest price in the last 12 months. The stock has
been trading at a range between $6.26 and $15.59.
BAK is in the Major Chemicals industry, part of the Basic Industries sector.
Looking at its valuation, the stock is now trading at 11.85 times earnings.