Sebi’s new guidelines for managing stock price impact arising from market rumours will ensure that the share price used in the merger and acquisition (M&A), buyback, and other transactions are not artificially influenced by speculative market activities, experts said on Wednesday. Sebi’s new guidelines for managing stock price impact arising from market rumours will ensure that the share price used in the merger and acquisition (M&A), buyback, and other transactions are not artificially influenced by speculative market activities, experts said on Wednesday. Economic Times