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

Cogent Communications Holdings, (symbol: CCOI) was one of the worst losers
of the trading day today (2016-08-04), losing -12.75%. The number of shares
that changed hands was 1,873,193, or about 5 times the average daily volume
in the stock.
The closing price was $37.3, amounting to a market cap of $1,660,000,000,
about -14.47% off the highest price in the last 12 months. The stock has
been trading at a range between $25.84 and $43.61.
CCOI is in the Computer Software: Prepackaged Software industry, part of
the Technology sector.
Looking at its valuation, the stock is now trading at 169.55 times earnings.