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

ADT Corporation (symbol: ADT) was one of the biggest winners of the trading
day today (2016-02-16), gaining 47.53%. The number of shares that changed
hands was 70,635,052, or about 31.8 times the average daily volume in the
stock.
The closing price was $39.64, amounting to a market cap of $6,550,000,000,
about -7.56% off the highest price in the last 12 months. The stock has
been trading at a range between $24.22 and $42.88.
ADT is in the Diversified Commercial Services industry, part of the
Consumer Services sector.
Looking at its valuation, the stock is now trading at 23.29 times earnings.