UPDATE 2-European shares dented by drop in Swiss bank stocks
* FTSEurofirst down 0.3 pct, ESTOXX50 falls 0.1 pct
* Credit Suisse falls on U.S. Senate inquiry
* Jeronimo Martins down as brokers cut targets after Q4
* FTSEurofirst still near highest level since May 2008
By Sudip Kar-Gupta
LONDON, Feb 26 (Reuters) - A drop in the shares of Swiss banks Credit Suisse and UBS weighed on European equities on Wednesday, stalling the advance of a major regional index to near 6-year highs.
The pan-European FTSEurofirst 300 index was down by 0.3 percent at 1,347.59 points in mid-session trading, retreating after a strong run in February which had taken it close to its highest level since May 2008.
The euro zone's blue-chip Euro STOXX 50 index also slipped 0.1 percent to 3,153.89 points.
Credit Suisse fell 2.1 percent while rival UBS weakened by 1 percent, with both companies taking the most points off the FTSEurofirst 300 index, after fresh signs of pressure on the Swiss banking industry from U.S authorities. Continuación...