Reuters Market Eye - Jindal Steel and Power Ltd falls 7.8 percent, adding to Wednesday's 10 percent slump.
Jindal hits lowest intraday level since 2009.
Credit Suisse downgrades Jindal to "underperform" from "neutral", cuts target price to 158 rupees from 254 rupees.
The Supreme Court's verdict cancelling coal blocks could hit Jindal's profit and fair value, Credit Suisse says.
(Reporting by Abhishek Vishnoi)