** Shares in Medical Park (MLP) MPARK.IS drop around 5% after the company announced on Thursday Lightyear Healthcare's plan to sell B class shares of MLP
** Shares in question have a nominal value of 28.7 million lira ($707,192.67) representing 15.3% of issued capital of MLP
** The company said the transaction was priced with a 12.6% discount
** Brokerage Ziraat Yatirim says said development is to have a negative impact on shares
** The company's stock is currently the worst performer on Turkey's main BIST-100 index .XU100
($1 = 40.5830 liras)
(Reporting by Arda Dipova)
((arda.dipova@thomsonreuters.com))