Shares of Suzlon Energy crashed nearly 10 percent on Friday, October 30, after the wind energy company reported a marginal increase in comparable net profit for the second quarter of the financial year 2026-27 while operating margins came under pressure. The company released its earnings post market hours on Thursday. The stock faced selling pressure after brokerage JM Financial downgraded its rating on Suzlon, citing concerns over margin sustainability, competition and growth prospects from FY28 onwards.