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

Celestica, Inc. Common Stock (symbol: CLS) was one of the worst losers of
the trading day today (2016-01-28), losing -15.67%. The number of shares
that changed hands was 887,478, or about 5 times the average daily volume
in the stock.
The closing price was $8.29, amounting to a market cap of $1,180,000,000,
about -38.55% off the highest price in the last 12 months. The stock has
been trading at a range between $8.07 and $13.49.
CLS is in the Electrical Products industry, part of the Technology sector.
It first went public in 1998.
Looking at its valuation, the stock is now trading at 27.0 times earnings.