| Reviewed 2019 CHF | Not reviewed 2018 CHF | ||
| 01.01.19 – 30.06.19 | 01.01.18 – 30.06.18 | ||
| Net profit | –63,631,473 | –2,197,579 | |
| Depreciation of fixed assets and amortisation of intangible assets | 13,436,614 | 7,269,124 | |
| Impairment of shareholdings | –446,829 | 2,849,490 | |
| Currency effect on sale of shareholdings | –21,162 | 3,017,328 | |
| Net interest expense | 1,539,023 | 325,640 | |
| Other non-cash adjustments | –2,778,857 | –380,803 | |
| Change in long-term provisions | 49,154,384 | 472,271 | |
| Accounting losses (profits) from sales of fixed assets | –1,360 | 101,344 | |
| Income from associates and joint ventures | –209,473 | 298,421 | |
| Cash flow from operating activities before changes in working capital | –2,959,134 | 11,755,236 | |
| As % of net sales revenue | –1.22% | 4.17% | |
| Change in accounts receivables | 3,723,130 | 5,145,952 | |
| Change in accounts receivables from related parties | 1,888,507 | –10,446,434 | |
| Change in accounts receivables from associated parties | –6,939,250 | –1,904,248 | |
| Change in other short-term receivables | –10,161,580 | –4,390,079 | |
| Change in other short-term receivables from related parties | 66,957 | 0 | |
| Change in inventories | –10,760,717 | –25,770,468 | |
| Change in prepayments | 8,005,339 | 1,352,828 | |
| Change in liabilities from deliveries and services | –7,898,822 | –19,788,757 | |
| Change in liabilities from deliveries and services from related parties | –1,431,017 | –199,971 | |
| Change in liabilities from deliveries and services from associated parties | 62,131 | 226,854 | |
| Change in other short-term liabilities | 624,608 | –236,308 | |
| Change in other short-term liabilities to related parties | –5,466,807 | –69,689,751 | |
| Change in deferred income | 2,218,018 | –360,156 | |
| Change in net current assets | –26,069,503 | –126,060,538 | |
| Cash flow from operating activities | –29,028,636 | –114,305,302 | |
| In % of net sales revenue | –11.95% | –40.59% | |
| Investments in fixed assets | –4,401,389 | –19,298,814 | |
| Divestments of fixed assets | 6,625 | 24,261 | |
| Investments in intangible assets | –245,187 | –340,055 | |
| Investments in/divestment of long-term financial assets | –66,766 | –378,949 | |
| Net cash flow from the purchase (-) / sale (+) of investments | 1) | 302,611 | –31,661,208 |
| Interest and dividends received | 931 | 230 | |
| Cash flow from investing activities | –4,403,175 | –51,654,534 | |
| Free cash flow | –33,431,812 | –165,959,836 | |
| In % of net sales revenue | –13.77% | –58.94% | |
| Change in short-term financial liabilities | 2,395,256 | –961,805 | |
| Change in long-term financial liabilities | 19,493,163 | 131,240,610 | |
| Additions/disposals of minority interests in capital and profit | –14,096 | 0 | |
| Sale (purchase) of treasury shares net cash flow | 235,447 | 3,329,006 | |
| Interest paid | –8,383,251 | –4,382,801 | |
| Dividend payments | 0 | –5,598,980 | |
| Cash flow from financing activities | 13,726,519 | 123,626,029 | |
| Currency translation | 13,330 | –61,241 | |
| Net change in cash and cash equivalents | –19,691,963 | –42,395,047 | |
| Cash and cash equivalents at 1 January | 30,784,059 | 63,860,406 | |
| Cash and cash equivalents at 30 June | 11,092,097 | 21,465,358 |