Utilize the input text as a context reference, choose the right relationship between SABIC and Tadawul from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

But SABIC shares came well off their early high of SR102.75 and the main Tadawul All-Share Index fell 0.8 percent to 9302 points as most banking stocks and other blue chips dropped.

Answer: stock_exchange