Share prices tumbled and key commodity prices surged as the financial markets reacted to the news on Thursday that Russia had launched a full-scale attack on Ukraine. Germany’s DAX index plummeted by more than 4%, diving to around the 14,000 mark. The FTSE 100 index in London sank by more than 3% to settle at under 7,300. “Our worst fears have been realized,” said portfolio manager Thomas Altmann from QC Partners in Frankfurt. “There is war raging in Europe.” The US markets followed the European slide. The benchmark Dow Jones and Nasdaq both opened over 2.5% down on the previous day’s close. T…