It cited the removal of Russia’s central bank from the Swift international payments system.
Moscow had also ordered Russia's nuclear weapons on standby to confront Nato, Krungsri Securities added.
However, it predicted that mass buy-ups of energy shares in line with the rising oil price would help boost the SET Index.
It also advised investors to follow the US Federal Reserve's monetary policy and its review of the US economy on March 2-3.
It recommends the purchase of the following as an investment strategy:
• PTTEP, TOP, SPRC and BCP will benefit from the rising price of oil and gross refining margin.
• BDMS, INTUCH, ADVANC and DTAC, which are defensive stocks.
The SET Index closed at 1,679.90 on Friday, up 17.18 points or 1.03 per cent. Transactions totalled 87.77 billion baht with an index high of 1,684.50 and a low of 1,670.13.