The share sector was the leading contributor to the tumble in market capitalization of the regulated market of Euronext Lisbon declining 10.5% down to EUR 112,492.1 million against July and 21.7% in comparison to the same period in 2010.

Conversely, the market capitalization of the bond sector climbed 3.8% up to EUR 80,213.2 million in the regulated market in comparison to July. It soared 44.4% in the first eight months of the year and hiked up 31.5% in comparison to the same period in 2010.

The PSI 20's volatility climbed up to 30.98% in August. This was up from 29.36% recorded in July and nearly double when compared to the same period last year.

The value of spot secondary market transactions fell 9.7% down to EUR 2,849.8 million as against the previous month. This is 59.6% lower than that experienced in August last year.

The trading volume on the regulated market of Euronext Lisbon tumbled 8.3% down to EUR 2,349.1 million in August, when compared with EUR 2,560.5 million in the preceding month. In the Special Public Debt Market (MEDIP), the monthly trading volume fell 20.8% down to EUR 428.5 million in comparison to July and 90.2% in comparison to the same period in 2010. 

The PSI-20 Index closed the month at 6,320.08 points. This reflects an 8.3% slump when compared to July and a 16.7% plunge since the beginning of the  year. The key issuers on the Index were Galp (17.28%), Jerónimo Martins (15.81%) and EDP (15.76%).

In the Undertakings for Collective Investment in Transferable Securities and Special Investment Funds Industry, the amount under management dropped 3.9% in July down to EUR 12,385.6 million compared with the preceding month and 13% since the beginning of the year. The amount under management of Real Estate Investment Funds dipped 0.2% in July from the preceding month and 1.9% in the first eight months of the year down to EUR 11,981.8 million.