Lloyds may have passed the Europe-wide stress tests, but the UK's own bank-health checks may be an issue, according to broker Jefferies which downgraded the stock from 'hold' to 'underperform' on Monday.The broker reckons that Lloyds is now "at risk" ahead of the Prudential Regulation Authority's forthcoming stress tests, which include scenarios such as a 35% fall in house prices and a 30% drop in commercial real estate prices. Jefferies said: "None of this bodes particularly well for LLOY given that it is UK mortgage centric (60% of first-half customer loans are in secured retail)."UBS has cut its target price for GlaxoSmithKline after trimming its estimates for the pharmaceutical company, and said that its dividend "still looks unsustainable". The bank has reduced its target for the shares from 1,380p to 1,250p and kept a 'sell' rating."We believe the current dividend level beyond 2015 is only safe if we see strong and sustained recovery of respiratory sales, for which we have no indication yet, UBS said.Despite ongoing concerns about the spread of Ebola and its effect on tourism, Morgan Stanley has recommended investors to buy shares of UK-listed airline peers Easyjet, Ryanair and IAG, hailing the companies' fundamentals.The bank has reiterated its 'overweight' rating on each stock,saying that the market is underappreciating their efficiency measures and not pricing in the recent slump in the price of oil.