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

Cyberonics, Inc. (symbol: CYBX) was one of the biggest winners of the
trading day today (2015-08-20), gaining 7.17%. The number of shares that
changed hands was 1,709,953, or about 5.4 times the average daily volume in
the stock.
The closing price was $64.74, amounting to a market cap of $1,680,000,000,
about -15.35% off the highest price in the last 12 months. The stock has
been trading at a range between $48.19 and $76.48.
CYBX is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector. It first went public in 1993.
Looking at its valuation, the stock is now trading at 29.83 times earnings.