July 11 (Reuters) - root9B Holdings Inc (RTNB.O)
* root9B Holdings announces 2017 first quarter financial results
* Q1 revenue rose 31 percent to $2.7 million
* root9B Holdings Inc says Q1 cybersecurity revenue increased to $1.9 million from $0.7 million in Q1 2016
* Q1 loss per share from continuing operations of $0.62
* root9B Holdings Inc - Continue to expect "improved" operating results in 2017
* Q1 net loss per share $0.74
Source text for Eikon: Further company coverage: (RTNB.O)