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

Select Medical Holdings Corporation (symbol: SEM) was one of the biggest
winners of the trading day today (2016-08-05), gaining 13.43%. The number
of shares that changed hands was 1,323,414, or about 1.5 times the average
daily volume in the stock.
The closing price was $12.25, amounting to a market cap of $1,610,000,000,
about -19.04% off the highest price in the last 12 months. The stock has
been trading at a range between $7.33 and $15.13.
SEM is in the Hospital/Nursing Management industry, part of the Health Care
sector. It first went public in 2009.
Looking at its valuation, the stock is now trading at 10.75 times earnings.