New Delhi, Nov. 28 -- Shares of Thyrocare Technologies, a leading healthcare diagnostics company, seemed to plunge by more than 67% during Friday's session, November 28, surprising many investors who noticed the steep drop in their demat accounts.

However, this sharp fall was not due to any market correction or external factors but a result of the company's 2:1 bonus issue, which came into effect today, tripling the number of shares held by investors while adjusting the stock price accordingly, without affecting the overall value of their holdings.

The shares closed at Rs.1,473.90 on Thursday, November 27. On Friday, the stock opened at Rs.501, reflecting the 2:1 bonus share adjustment, which tripled the number of shares and adjusted th...