Market Unsolicited stock tips: Here's how gullible investors fall for 'pump and dump' scams, warns Zerodha Updated : January 10, 2020 05:43 PM IST In its blog post, Zerodha illustrated the charts of Agrophos, 7NR Retail, and Mauria Udyog — three stocks for which reportedly fraudulent messages were circulated in recent weeks. Zerodha raised a pertinent question "How do these tipsters get the contact details?" Zerodha Kite reportedly has a client base of 9 lakh customers. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.