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

Alpha and Omega Semiconductor Limited (symbol: AOSL) was one of the biggest
winners of the trading day today (2016-12-09), gaining 12.09%. The number
of shares that changed hands was 801,114, or about 4.9 times the average
daily volume in the stock.
The closing price was $22.99, amounting to a market cap of $535,550,000,
about -3.92% off the highest price in the last 12 months. The stock has
been trading at a range between $8.02 and $23.93.
AOSL is in the Semiconductors industry, part of the Technology sector. It
first went public in 2010.
Looking at its valuation, the stock is now trading at 221.06 times earnings.