June 29 (Reuters) - U.S. stock index futures rose on Monday, led by strong gains in the tech-heavy Nasdaq 100, as easing tensions in the Middle East lifted sentiment following days of hostilities between the United States and Iran. .N

** GameStop Corp GME.N:
BUZZ - Rises as company seeks to pursue eBay despite rejection[nL4N4310JV ]

** Space Exploration Technologies Corp SPCX.O:
BUZZ - Gains as Musk's rocket, AI giant set to join Nasdaq-100nL4N4310KX

** Viridian Therapeutics Inc VRDN.O:
BUZZ - Jumps after US FDA approves thyroid eye disease drugnL4N4310OR

** Comcast Corp CMCSA.O:
BUZZ - Jumps on plan to spin off NBCUniversal, Sky nL4N4310S6

** Rockwell Medical Inc RMTI.O:
BUZZ - Slips after announcing reverse stock split nL4N4310TU

** Martin Marietta Materials Inc MLM.N:
BUZZ - Falls on report of $13.5 billion merger with Lhoist North America nL4N4310V4

** Charter Communications Inc CHTR.O:
BUZZ - Jumps after report of cell phone tie-up discussion with SpaceX nL4N4310MP