Stocks in the health care sector have outperformed the 2013 Dow Jones thus far. For every dollar gained in the overall market index, the health care indices have gained $1.50. Aside from monetary growth, health care has also been ahead of the game in regards to timing. Right now, health care stocks show signs of gaining strength, which means the sector may be headed even higher for the second half of 2013. For advice on which stocks to buy, take a look at this ARTICLE from The Street, which compares five potential game changers.