The Financial Times reports that Motorola Solutions reported strong second-quarter results, raised its full-year revenue and operating earnings guidance and announced it would buy back up to US$2 billion of its shares. Operating earnings of $170 million compared with $161 million in the year-ago period, while earnings per share from continuing operations increased to $0.17, compared with $0.01. Sales increased by 6 per cent to $2.06 billion. Both the government and enterprise business segments performed strongly in the latest quarter. Looking ahead, the company expects third-quarter sales to increase by between 7 and 8 per cent and by as much as 6 per cent for the full year.