The ruble collapsed against the dollar and the euro on the Moscow Stock Exchange on Monday as the West punished Moscow with new sanctions over the Kremlin’s devastating invasion of Ukraine. The ruble fell sharply at the start of trading, reaching 100.96 to the dollar, compared to 83.5 on Wednesday, the day before the invasion of Ukraine, and 113.52 to the euro, compared to 93.5 before the assault. This came after the ruble-based MOEX index increased the upper trading limit. That followed an announcement by the West that it would remove some Russian banks from the SWIFT bank messaging system, a…