Shares of Thyrocare Technologies dipped 7 per cent to Rs 1,351 on the BSE in Monday's intra-day after Docon Technologies, along with API Holdings, the parent company of unicorn PharmEasy, an online medical platform, will acquire 66.1 per cent equity stake in diagnostic chain firm for Rs 4,546 crore. They also made an open offer for acquisition of additional 26 per cent stake in Thyrocare at a price of Rs 1,300 per share for Rs 1,788.16 crore.