London (CNN) Credit Suisse chairman Axel Lehmann apologized to angry shareholders on Tuesday. sick Swiss lenders emergency rescue Investors suffered heavy losses last month. “Today is a sad day, for everyone and for us,” Lehmann said at the bank’s final annual general meeting as an independent company at the ice hockey stadium in Zurich. The somber affair felt like the funeral of a lender who has been a key driver of Switzerland’s financial crisis. Economic development For the past 167 years. Protesters gathered outside the venue, some erecting overturned boats to signify the bank’s demise. Protesters hold a boat with…