$RMBS is one of biggest losers #stocks today. read more:

Rambus, Inc. (symbol: RMBS) was one of the worst losers of the trading day
today (2015-10-20), losing -28.01%. The number of shares that changed hands
was 11,826,814, or about 10 times the average daily volume in the stock.
The closing price was $10.0, amounting to a market cap of $1,160,000,000,
about -35.44% off the highest price in the last 12 months. The stock has
been trading at a range between $9.86 and $15.49.
RMBS is in the Semiconductors industry, part of the Technology sector. It
first went public in 1997.
Looking at its valuation, the stock is now trading at 40.0 times earnings.