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

Western Digital Corporation (symbol: WDC) was one of the biggest winners of
the trading day today (2016-09-07), gaining 12.09%. The number of shares
that changed hands was 18,604,587, or about 3.7 times the average daily
volume in the stock.
The closing price was $53.3, amounting to a market cap of $13,910,000,000,
about -38.3% off the highest price in the last 12 months. The stock has
been trading at a range between $34.99 and $86.39.
WDC is in the Electronic Components industry, part of the Technology sector.
Looking at its valuation, the stock is now trading at 50.28 times earnings.