MOTOROLA SOLUTIONS INC. $70 (New York symbol MSI; Conservative Growth Portfolio, Manufacturing & Industry sector; Shares outstanding: 176.7 million; Market cap: $12.4 billion; Price-to-sales ratio: 2.1; Dividend yield: 2.3%; TSINetwork Rating: Average; www.motorolasolutions.com) is buying Airwave, which provides two-way radio and other communications services to over 300 emergency and public service agencies in the U.K. The company will pay $1.2 billion for Airwave when it completes the purchase in the first quarter of 2016. The deal will immediately add to Motorola’s earnings and cut its reliance on North America, which currently supplies 65% of its sales. However, big purchases like this add risk. Motorola Solutions is a hold.