Top Active Trader Alert Stocks (ERII, HERO, INVE, MRVL, ZSTN)

Active traders and day traders have many stocks to choose from this Thursday morning.  We are tracking news and moves in shares of Energy Recovery, Inc. (NASDAQ: ERII), Hercules Offshore, Inc. (NASDAQ: HERO), Identive Group, Inc. (NASDAQ: INVE), Marvell Technology Group Ltd. (NASDAQ: MRVL), and ZST Digital Networks, Inc. (NASDAQ: ZSTN).

Energy Recovery, Inc. (NASDAQ: ERII) is down 8.5% on light volume to $3.15, relative to a 52-week range of $3.08-$6.77. The company was recently downgraded to “underperform” by Wedbush.

Hercules Offshore, Inc. (NASDAQ: HERO) is up 4% premarket on heavy volume to $6.07, higher than its 52-week range of $5.52-$5.89. The energy has had a great deal of momentum ahead of upcoming quarterly reports on March 9th.

Identive Group, Inc. (NASDAQ: INVE) is down 4% premarket to $3.06, relative to a 52-week range of $1.29-$3.55. This drop comes despite the fact that the company cut it 4Q losses and reported a rise in revenue.

Marvell Technology Group Ltd. (NASDAQ: MRVL) is down nearly 7% premarket on heavy volume to $17.05, relative to a 52-week range of $17.78-$18.42. The circuit-maker issued quarterly profits below market expectations.

ZST Digital Networks, Inc. (NASDAQ: ZSTN) is up 24% premarket on heavy volume to $7.32, relative to a 52-week range of $4.43-$10.38. The company announced fourth quarter and annual results, both of which exceeded expectations.