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

St. Jude Medical, Inc. (symbol: STJ) was one of the biggest winners of the
trading day today (2016-04-28), gaining 25.57%. The number of shares that
changed hands was 32,960,704, or about 15.3 times the average daily volume
in the stock.
The closing price was $77.79, amounting to a market cap of $22,060,000,000,
about -3.77% off the highest price in the last 12 months. The stock has
been trading at a range between $48.83 and $80.84.
STJ is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector.
Looking at its valuation, the stock is now trading at 25.34 times earnings.