The stock market continues its downward spiral on Monday. The benchmark index stumbled by 0.4% to 8310.7 points, in a meagre trading volume of TND 1.6 million, according to broker Tunisie Valeurs. The AeTECH stock claimed the top spot in gains. Despite no transactions taking place, the value saw an increase of 3.8% to TND 0.270. Similarly, Hannibal Lease stock ended the session in positive territory. The shares of the independent leasing specialist rose by 1.3% to TND 5.270. Trading activity for this stock remained low, totalling TND 11,000. STIP stock took the bottom position on the Tunindex. The shares of the sole tire producer in Tunisia declined by 3.7% to settle at TND 4.210, without attracting any significant flow. Attijari Bank stock performed poorly during the session. The shares of the subsidiary of Attijariwafa Bank Group decreased by 1.7%, to TND 44.890. Trading volume for this stock amounted to TND 45,000. BIAT emerged as the most dynamic stock of the session. The shares of the number one ban k in Tunisia fuelled the market with capital amounting to TND 659,000, representing 40% of the market's liquidity. The stock slightly decreased during the session (-0.2%) to TND 88.500. Source: Agence Tunis Afrique Presse