...Fitch Ratings has affirmed Spain-based engineering and construction group Grupo Aldesa's Long-Term Issuer Default Rating (IDR) at 'B' and has revised the Outlook to Stable from Negative. At the same time, Fitch has affirmed wholly owned subsidiary Aldesa Financial Services S.A.'s senior secured rating at 'B'/`RR4'/50%. The Stable Outlook reflects our expectations that Aldesa will reach more conservative leverage metrics ahead of the next material debt maturity in 2021. It also reflects manageable leverage, owing to sound liquidity, positive expected free cash flow (FCF) and an absence of material short-term debt. Fitch believes Aldesa's business profile is in line with our expectations for a `B' rating, but the financial profile remains weak for the category....