Utilize the input text as a context reference, choose the right relationship between 'SABIC' and 'Tadawul' from the options.
Options: stock exchange, location of formation, business division, 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.
stock exchange