Mukesh Ambani-led Reliance Industries' (RIL) shares fell by over 10% in four sessions since October 1, leading to loss of over ₹2 lakh crore to investors. RIL shares, which opened at ₹2,962.70 on October 1, ended at ₹2,740.95 on Monday. Ambit Capital maintained a 'sell' rating on RIL shares and adjusted their share price to ₹2,650.