Shares of Samsung Electronics Co Ltd were up 2.5 percent while Samsung C&T Corp shares were 4.1 percent higher as of 0003 GMT, outperforming a 0.7 percent rise for the broader market.
The Seoul Central District Court earlier on Thursday dismissed a warrant to arrest the 48-year-old Lee, who was named a suspect by the special prosecution as part of an investigation into a graft scandal that has led to the impeachment of President Park Geun-hye.
(Reporting by Se Young Lee; Editing by Himani Sarkar)
