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

LDR Holding Corporation (symbol: LDRH) was one of the biggest winners of
the trading day today (2016-02-18), gaining 16.61%. The number of shares
that changed hands was 1,436,964, or about 3.2 times the average daily
volume in the stock.
The closing price was $22.11, amounting to a market cap of $642,180,000,
about -53.08% off the highest price in the last 12 months. The stock has
been trading at a range between $16.33 and $47.12.
LDRH is in the Medical/Dental Instruments industry, part of the Health Care
sector. It first went public in 2013.