Concerns about the banking sector in the EU have hit Footsie and there are no risers today. The London Interbank Offered Rate has been rising because of worries about the health of the banking system. In Spain, regulators are plotting consolidation in the Spanish banking sector. Lloyds Banking, Royal Bank of Scotland and Barclays are all sharply lower. Mining companies are also on the slide with ENRC, Kazakhmys, Vedanta and Antofagasta all lower as metals prices fall.Preliminary results from Marks & Spencer were slightly better than expected but the retail giant said it remains cautious about the outlook for the year ahead. Profit before tax and property disposals came to £632.5m in the 52 weeks ended 3 April, an improvement on last year's £604.4m.FTSE 100 - FallersLloyds Banking Group (LLOY) 50.32p -9.28%Eurasian Natural Resources (ENRC) 911.00p -6.56%Barclays (BARC) 282.00p -6.27%ARM Holdings (ARM) 227.20p -6.19%Royal Bank of Scotland Group (RBS) 42.56p -6.19%Vedanta Resources (VED) 2,069.00p -5.83%Antofagasta (ANTO) 818.00p -5.49%Kazakhmys (KAZ) 1,067.00p -5.24%InterContinental Hotels Group (IHG) 1,027.00p -5.17%Amec (AMEC) 763.00p -5.16%