If he is indicted his arrest will be formally registered and he would be released. However, it will be the first time ever a former president is slapped with criminal charges.
Earlier on Wednesday, Credit Suisse' shares plunged after Saudi National Bank, which was Credit Suisse's largest investor, refused to offer further financial assistance.
Though crippling Western sanctions on Russia hit its banks, tech industry and the super rich, the country in general has been spared the worst impacts of a disastrous war.
Panic gripped markets following the collapse of Silicon Valley Bank last week, with investors increasingly becoming sceptical of the safety of banking stocks.
Silvergate has been struggling to stay afloat after Sam Bankman-Fried's crypto exchange FTX collapsed in November last year, triggering panic across the crypto segment.