3% is nothing and it was going to be expected with War looming on the horizon.
On the other hand the beating the Moscow stock took-20% down before trading was stopped because it could have been worse-,and the tumble of the ruble.On top of that,thanks to the 2008 crisis Europe has safeguards in place,Russia doe not.
"The West" is a 40 trillion $ juggernaut which controls the capital flows,the rating agencies,the banks,basically all economic leeways.Russia has an economy the size of Italy which relies mainly on resources export.This is a no brainer.Contrary to what you believe this invasion of Ukraine is more likely to lead to Russia's downfall than her emerging as a superpower.