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

Sprint Corporation (symbol: S) was one of the biggest winners of the
trading day today (2016-06-21), gaining 7.77%. The number of shares that
changed hands was 46,497,872, or about 3.1 times the average daily volume
in the stock.
The closing price was $4.16, amounting to a market cap of $16,530,000,000,
about -21.36% off the highest price in the last 12 months. The stock has
been trading at a range between $2.18 and $5.29.
S is in the Telecommunications Equipment industry, part of the Public
Utilities sector. It first went public in 2013.