Usd/chf - 1.0482 ... Swiss ZEW investor sentiment rose to 56.2 in January fm 54.00 in December. Swiss National Bank data showed the SNB's euro holdings rose to 37.0 billion euros at the end of December fm 32.7 billion euros at the end of the third quarter. Despite dlr's brief rise to 1.0494/97, the greenback eased after the data on renewed cross buying in chf (eur/chf weakened fm 1.4739 to 1.4715).