The market will watch out for the impact last month's volcanic ash cloud has had on EasyJet's half year figures. The no-frills airline's first half results have already been well flagged by the company to come in at the top end of the £80m-£95m loss range. Nomura expects the loss to amount to £81m. The Japanese broker also forecasts a 4.8% rise in total revenue per seat on a reported basis.Commerzbank also anticipates interim losses to come in at £81m. The German broker says EasyJet's targeted growth strategy, focusing on key markets and customer groups, may mean yield development is flat, but it still likes the underlying story. Numis expects to see strong earnings growth when defence services group Babcock International publishes full-year figures tomorrow. Consensus forecasts are for adjusted pre-tax profits of £143.3m compared with £120.9m a year ago. InterContinental Hotels Group is expected to post first-quarter earnings before interest and tax of $77m, better than last year's $72m.Credit Suisse anticipates IHG's Asian revenues per available room to be "well up" on the year.Tuesday May 11 INTERIMS Avon Rubber, easyJet, Enterprise Inns, Southern Cross Healthcare Group INTERIM DIVIDEND PAYMENT DATE Telefonica SA INTERNATIONAL ECONOMIC ANNOUNCEMENTS ABC Consumer Confidence (US) (22:00) Consumer Price Index(GER) (07:00) Wholesales Inventories (US) (15:00) FINALS Babcock International Group, Toyota Motor IMSS Aviva, Henderson Group, Serco Group AGMS BlackRock Latin American Inv Trust, Burst Media, Capita Group, Henderson Group, Henderson High Income Trust, Highcroft Investment, Impax Environmental Markets, Kingdom Hotel Investments GDS, Macfarlane Group, MCB Finance Group, Merchants Trust, Salamander Energy, Serco Group, Spirax-Sarco Engineering, Unilever, William Hill, Zotefoams TRADING ANNOUNCEMENTS Supergroup UK ECONOMIC ANNOUNCEMENTS BRC Sales Monitor (00:01) Industrial Production (09:30) Manufacturing Production (09:30) RICS Housing Market Survey (09:30) FINAL DIVIDEND PAYMENT DATE The Hotel Corporation, WSP Group Q1 Inmarsat, InterContinental Hotels Group