In separate notices today, the exchanges also asked the brokers to advise their clients not to blindly follow unfounded rumours and tips and invest in securities after conducting appropriate analysis of respective companies.
"Trading members are aware that the exchange has been taking various measures for the purposes of investor protection and maintaining market integrity," said the BSE.
"In this regard, it is once again reiterated that the trading members should exercise necessary caution with respect to tips/rumours circulated via various mediums like social networks, SMS, WhatsApp, blogs while dealing in the securities listed on the exchange on behalf of their clients," it added.
"Trading members are requested to advise their clients and remain cautious on the unsolicited emails and SMS advising investor to buy, sell or hold securities trade only on the basis of informed decision," it added.
Market regulator Sebi has busted various scams wherein 'trading tips' were being offered through mobile SMSes and WhatsApp messages by unregistered investment advisors while promising guaranteed returns.
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