Mailing the story:

With margins so thin you need a microscope to see them, Nokia's financial results for the second quarter of 2011 are due tomorrow, and the company has already warned investors of very bad news coming. Yesterday, it issued a peek into just how tough things have got in 2011. Nokia said its smartphone profit margins were down to 6.2 per cent in Q1 2011, with margins of 16.4 per cent on basic phones.…