<strong>G4S<br /></strong>RBS analysts rate G4S as a &ldquo;buy&rdquo; following an update from the company, in which it provided in-depth reassurance about the sustainability of long-term growth. &nbsp;In the broker&rsquo;s view, the combination of a clear strategy, the unique breadth of its presence in the security industry and the attractive valuation is compelling.<br /><br /> <!--StartFragment--> <strong>ALLIANZ</strong><br />Analysts at Nomura downgraded Allianz to &ldquo;reduce&rdquo; believing its property and casualty business to be under increased pressure, its US life business facing significant challenges from litigation and regulatory change and its valuation to be at a premium to its peers. The broker reduced its target price to &euro;70, from &euro;76.<br /><br /> <!--StartFragment--> <strong>BOVIS HOMES</strong><br />KBC Peel Hunt said that the housebuilder sector is &ldquo;topping out&rdquo; and that it expects Bovis to follow. The broker said that Bovis has perhaps the best scope to rebuild margins, but that the share price is trading too close to the written down net asset value. It therefore rates the shares as &ldquo;sell&rdquo; with a target price of 375p.&nbsp;