Shares in Credit Suisse Group (CS) fell Friday on fears that its private bank will be hit by wealthy clients withdrawing funds because of growing pressure on Swiss banking secrecy.

At 0834 GMT, the stock was CHF0.71 lower, or down 1.6%, at CHF44.07, extending a 7.4% fall from the previous day. Credit Suisse fell more than rival private banks such as UBS AG (UBS) and the Stoxx Europe 600 bank index, which was 0.9% lower.