Image Sensing Systems Inc. (NASDAQ:ISNS) was down 2.4% on Tuesday . The stock traded as low as $3.55 and last traded at $3.68, with a volume of 157,266 shares. The stock had previously closed at $3.77.

Separately, TheStreet upgraded Image Sensing Systems from a “sell” rating to a “hold” rating in a research report on Monday, August 8th.

The stock has a 50-day moving average of $2.70 and a 200-day moving average of $2.61. The stock’s market cap is $18.54 million.

Image Sensing Systems, Inc is a provider of software-based products and solutions for the intelligent transportation systems (ITS) industry. The Company develops and markets video and radar processing products for use in traffic, security, police and parking applications, such as intersection control, highway, bridge and tunnel traffic management, venue security, entry control and traffic data collection.

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