The majority of the increases in the benchmark stock index of Saudi Arabia was attained in the last four months. Petrochemical companies and real estate developers were the leading industries that gained the most. 

Jabal Omar Development Co reached the peak, at 5.6% to SAR28.4 per share since December of 2007. This was followed by Dar Al Arkan Real Estate Development Co, which reached its all-time high at 9.6% to SAR9.15. The world's biggest petrochemical producer, Saudi Basic Industries Corp. was able to reach its highest, 0.8% to SAR92, in the short time of one month.

The Tadawul All Share Index increased to 1.1% to 7,229.02 as per its closing in Riyadh at 3:30PM, which according to information collated Bloomberg was the highest increase since the 2^nd of January this year. The Stock Exchange of Saudi Arabia is the only one that trades on Saturday in the Persian Gulf. 

According to a note sent by email of Turki Fadaak, Head of Research and Consultancy at Albilad Investment Co., the increase in today's trading comes after a decline in what he called as "profit-taking that occurred specifically in the last three trading sessions."