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

Energy Recovery, Inc. (symbol: ERII) was one of the worst losers of the
trading day today (2016-06-13), losing -7.9%. The number of shares that
changed hands was 763,286, or about 1 times the average daily volume in the
stock.
The closing price was $9.91, amounting to a market cap of $518,630,000,
about -25.77% off the highest price in the last 12 months. The stock has
been trading at a range between $2.07 and $13.35.
ERII is in the Industrial Machinery/Components industry, part of the
Technology sector. It first went public in 2008.