Shares of PNB Housing Finance Ltd crashed nearly 18% on the record date of rights issue today. PNB Housing Finance shares, which closed at Rs 540.90 on NSE in the last session, plunged to an intraday low of Rs 445.15 on NSE. The stock opened lower at Rs 447.05 on NSE. Later, the stock recovered 7.02% to hit the day’s high of Rs 476.40. Market cap of the firm stood at Rs 12,139 crore.