The MASI.20, comprising the 20 most liquid stocks, was down 0.14% at 1,126.20 points, while the MASI ESG, the index of companies with the highest ESG rating published by Moody's ESG Solutions, gave up 0.36% at 1,007.12 points.
The MASI Mid and Small Cap, which assesses the performance of small and medium-sized listed companies, dropped 0.05% to 1,343.77 points.
On Monday, the MASI had closed with a loss of 0.38%.