Close data update at 1/23/2019
| Company | % | Close | Open | Low | Volume | Volumi |
| M&C | -4.21% | 0.041 | 0.041 | 0.04 | 0.042 | 541,390 |
| Mailup | UNC. | 2.51 | 2.51 | 2.51 | 2.51 | 780 |
| Maire Tecnimont | -2.14% | 3.382 | 3.436 | 3.366 | 3.47 | 929,026 |
| Marr | +0.29% | 21 | 20.9 | 20.9 | 21.14 | 46,576 |
| Masi Agricola | UNC. | 3.8 | --- | --- | --- | --- |
| Massimo Zanetti Beverage | +2.72% | 6.42 | 6.23 | 6.22 | 6.44 | 7,397 |
| Mediacontech | +20.55% | 0.61 | 0.512 | 0.508 | 0.61 | 364,660 |
| Mediaset | -0.25% | 2.814 | 2.825 | 2.807 | 2.844 | 781,559 |
| Mediobanca | +0.08% | 7.88 | 7.82 | 7.76 | 7.958 | 2,736,452 |
| Merck | +0.67% | 90.68 | 89.4 | 89.4 | 90.68 | 16 |
| Metro | UNC. | 13.41 | --- | --- | --- | --- |
| Micron Technology | -0.66% | 30.2 | 29.7 | 29.7 | 30.2 | 330 |
| Microsoft Corp | -0.43% | 93.1 | 93.5 | 90.3 | 93.5 | 587 |
| Mittel | +1.47% | 1.725 | 1.7 | 1.7 | 1.725 | 625 |
| Molmed | -0.51% | 0.291 | 0.293 | 0.288 | 0.3 | 1,596,331 |
| Moncler | -0.10% | 30.02 | 29.9 | 29.72 | 30.31 | 757,681 |
| Mondadori | +0.58% | 1.73 | 1.722 | 1.704 | 1.75 | 422,948 |
| Mondo Tv | -2.10% | 1.586 | 1.636 | 1.586 | 1.688 | 701,149 |
| Mondo Tv France | -1.33% | 0.03 | 0.03 | 0.03 | 0.03 | 117,000 |
| Mondo Tv Suisse | -3.77% | 0.51 | 0.51 | 0.5 | 0.512 | 34,400 |
| Monnalisa | +0.22% | 8.96 | --- | 8.94 | 8.96 | 1,100 |
| Monrif | +2.00% | 0.153 | 0.148 | 0.148 | 0.153 | 4,650 |
| Munich Re | -0.28% | 194.6 | 195.15 | 194.6 | 195.5 | 30 |
| Mutuionline | +2.31% | 16.82 | 16.54 | 16.38 | 16.82 | 28,378 |
