Wireless networking equipment company DragonWave Inc. almost doubles sales, which increased 91.4% to $9.9 million in Q2. Net losses dropped by 17.9% to $2.1 million ($.08 a share). Sales to North American customers accounted for $8.2 million of overall revenue, while sales outside of North America grew by almost 40% over last year’s Q2. The company also bolstered its balance sheet with cash and cash equivalents of $23.1 million, up from just $2.8 million in the same period last year.