"As a consequence of the realignment of the financial centre and the planned withholding tax, we assume that a total of hundreds of billions of francs will flow out of Switzerland," said Juerg Zeltner, head of UBS wealth management.
The Swiss blue-chip index SMI, a measure of the largest and most actively traded companies, fell 0.34 per cent to 6,763.60. The broader Swiss Performance Index lost 0.14 per cent to 6,219.35.