ZURICH, March 15 (Reuters) – The Swiss National Bank declined to comment to Reuters on the situation at Credit Suisse on Wednesday after the embattled bank’s stock dropped 20%.

Switzerland’s second biggest bank’s stock plunged to fresh record lows after its biggest shareholder said it could not raise its 10% stake citing regulatory issues. (Reporting by John Revill; Editing by Toby Chopra)

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