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

Alarm.com Holdings, Inc. (symbol: ALRM) was one of the worst losers of the
trading day today (2016-11-15), losing -13.81%. The number of shares that
changed hands was 1,900,959, or about 7 times the average daily volume in
the stock.
The closing price was $27.9, amounting to a market cap of $1,270,000,000,
about -18.97% off the highest price in the last 12 months. The stock has
been trading at a range between $14.0 and $34.43.
ALRM is in the n/a industry, part of the n/a sector.
Looking at its valuation, the stock is now trading at 118.22 times earnings.