$IRDM is one of biggest winner #stocks today. read more:

Iridium Communications Inc (symbol: IRDM) was one of the biggest winners of
the trading day today (2015-10-29), gaining 22.24%. The number of shares
that changed hands was 3,951,102, or about 4.2 times the average daily
volume in the stock.
The closing price was $7.97, amounting to a market cap of $755,950,000,
about -29.84% off the highest price in the last 12 months. The stock has
been trading at a range between $5.85 and $11.36.
IRDM is in the Telecommunications Equipment industry, part of the Consumer
Durables sector.
Looking at its valuation, the stock is now trading at 10.83 times earnings.