 Some interesting London-listed companies large and small with updates pencilled in for the coming week, including Entain, Sainsbury, Persimmon and Currys, not to mention some important economic data points. There should be a relatively quiet start to the week for markets, with North America on holiday for the 4th of July celebrations for Independence Day, but after that theres a packed financial diary, concluding with the big US jobs report on Friday. 