"Trading is now improving" at Rolls-Royce, according to RBS, which keeps its positive stance on the aerospace, power systems and defense group with a buy recommendation."Our impression of the 1H11 result and the outlook comments is that Rolls-Royce is essentially on course," said analyst Sandy Morris."With activity on new aircraft engine programmes starting to rise and new production facilities coming on stream, there must inevitably be some associated launch costs and start-up costs, but momentum is building. Further, we now firmly believe that [original equipment] demand in the Marine division has begun to recover," Morris said.The broker stays with a 750p target price.UBS has upgraded Wolseley from neutral to buy after the plumbing and heating products firm recently completed its portfolio restructuring.Earlier this week, Wolseley announced the sale of Build Center and Brosette to Saint Gobain. "[This] largely completes Wolseley's portfolio restructuring, with the largest problem businesses now divested," UBS said."We believe that post the successful divestments, management can solely focus on the core businesses both in terms of organic growth initiatives and acquisitive growth."The target price stays at 2,165p."The market is preoccupied with concerns over sovereign debt, and ring fencing in the UK," suggests analysts at Credit Suisse who have today decided to mark down their price targets slightly for three banks, Barclays, Lloyds and RBS. Barclays: Analysts have lowered the price target to 315p, versus the 325p previously foreseen.Lloyd's Banking Group: The bank's price target has been taken down to 50p, from 55p before. Royal Bank of Scotland: CS analysts have lowered their price target to 40p, from 42p. BC