Like most stock market indices, the FTSE has rallied strongly since its low in March.  Investors are starting to ask whether the rally can continue over the summer months without some solid fundamental backing?  There are certainly several factors that could spook investors, including US-China tensions over Hong Kong, civil unrest in the US and EU-UK trade negotiations.  This week's company focus is on Rolls-Royce, whose share price rose strongly until a couple of pieces of news on Thursday.  Listen to find out more