Close data update at 8/16/2019
| Company | % | Close | Open | Low | Volume | Volumi |
| M&C | +3.95% | 0.037 | 0.035 | 0.035 | 0.037 | 12,510 |
| Mailup | +1.33% | 3.8 | --- | 3.6 | 3.8 | 3,293 |
| Maire Tecnimont | +1.79% | 2.048 | 2.028 | 2.024 | 2.06 | 644,664 |
| Maps | -1.67% | 3.23 | 3.295 | 3.23 | 3.3 | 10,000 |
| Marr | +1.20% | 18.52 | 18.1 | 18.1 | 18.62 | 18,301 |
| Marzocchi Pompe | -2.08% | 4.631 | --- | 4.622 | 4.75 | 1,000 |
| Masi Agricola | -0.53% | 3.78 | 3.78 | 3.78 | 3.78 | 237 |
| Massimo Zanetti Beverage | -1.74% | 5.64 | 5.66 | 5.64 | 5.8 | 13,008 |
| Mediaset | +9.89% | 3 | 2.746 | 2.739 | 3.054 | 12,126,604 |
| Mediobanca | +2.14% | 8.508 | 8.332 | 8.212 | 8.52 | 7,758,848 |
| Merck | UNC. | 94.66 | --- | --- | --- | --- |
| Micron Technology | +2.74% | 39.425 | 38.66 | 38.6 | 39.425 | 345 |
| Microsoft Corp | -0.23% | 121.88 | 121.72 | 121.7 | 122.48 | 309 |
| Mittel | +0.62% | 1.625 | 1.62 | 1.61 | 1.655 | 30,428 |
| Molmed | +0.14% | 0.355 | 0.346 | 0.346 | 0.355 | 267,463 |
| Moncler | -0.85% | 33.86 | 33.86 | 33.75 | 34.42 | 952,020 |
| Mondadori | +0.86% | 1.408 | 1.416 | 1.4 | 1.446 | 110,700 |
| Mondo Tv | +1.65% | 1.049 | 1.04 | 1.034 | 1.068 | 97,923 |
| Mondo Tv France | UNC. | 0.023 | 0.023 | 0.023 | 0.023 | 702,000 |
| Mondo Tv Suisse | UNC. | 0.79 | --- | --- | --- | --- |
| Monnalisa | -0.64% | 7.8 | 7.8 | 7.8 | 7.8 | 187 |
| Monrif | UNC. | 0.149 | --- | --- | --- | --- |
| Munich Re | -0.73% | 216.4 | --- | 216.4 | 217.3 | 66 |
| Mutuionline | -0.39% | 15.16 | 15.58 | 15.02 | 15.82 | 24,327 |
