Retail traders pour into a tiny software company that's heavily shorted, causing shares to more than triple this week

Omar Marques/SOPA Images/LightRocket via Getty Images
Omar Marques/SOPA Images/LightRocket via Getty Images
Shares of San Francisco-based Marin Software have surged 247% so far this week.The small advertising software company has been trending on Reddit investing threads.Marin has a 22% short interest rate, making it a target for day traders hoping for a short squeeze.
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Shares of a tiny marketing software company have surged this week amid chatter fro