UBS has reiterated its buy rating on oil titan BP following its $4bn settlement with Anadarko, which the broker sees as an "important step towards resolution"."The level of settlement and the costs incurred to date suggest to us that the provisioning for environmental costs and economic charges may be too high and BP may be successful in gathering more contributions than we assume - however this may take time to establish and other penalties may also become apparent," the Swiss broker said.UBS says that the settlement with the US government and the closing of the Department of Justice investigation are now the "critical stepping stones". The target price from 450p to 480p to reflect the de-risked valuation.FTSE 250 house builder Bellway bucked the trend to rise higher on Tuesday after what Evolution Securities called a "solid set of results".Evolution said that there was little surprise in the results as most of the content was well guided by the pre-close trading update in August. "We see Bellway as a low risk, high quality name in this space, and today's announcement reinforces that view. Net cash of £3 million with improving profitability from continued improvements in the land mix highlights the strength of the business from here," said analyst Mike Bessell.The broker keeps its buy rating and 790p target.UBM was the best performer on the FTSE 250 on Tuesday morning after releasing its nine-month trading statement, which brokerage Investec has labelled as "very reassuring"."All in all as good as could be hoped, in our view, shares should react positively today having been hit hard yesterday into the statement," said Investec analyst Gareth Davies.The broker says its remains comfortable with a buy recommendation and 694p target price.BC