** Shares of Kingdom Holding Company 4280.SE down 7.5% to 14.22 riyals, trimming earlier losses after dropping as much as 10% in early trade

** Stock on course for its worst day since March 9, 2025, when it closed down 9.9%, if trend holds; top loser on the benchmark index .TASI

** Reuters could not immediately ascertain reason for fall shares

** Investment firm on Thursday provided an update on its investment exposure to Elon Musk's aerospace company, SpaceX

** KHC held a 0.34% stake in SpaceX, with a carrying value of 16.76 bln riyals ($4.46 bln), as of March 31, 2026

** Session's losses wipe off about 4.3 bln riyals ($1.15 bln)from co's market cap, trimming YTD gain to 77.75%

** Shares rose nearly 15% over last weak

** Saudi Arabia's benchmark index .TASI down 0.2%

($1 = 3.7543 riyals)