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

NeoPhotonics Corporation (symbol: NPTN) was one of the biggest winners of
the trading day today (2016-07-25), gaining 17.79%. The number of shares
that changed hands was 2,111,142, or about 2.7 times the average daily
volume in the stock.
The closing price was $13.11, amounting to a market cap of $543,720,000,
about -10.21% off the highest price in the last 12 months. The stock has
been trading at a range between $5.61 and $14.6.
NPTN is in the Semiconductors industry, part of the Technology sector. It
first went public in 2011.
Looking at its valuation, the stock is now trading at 97.11 times earnings.