BRIEF-National Bankshares Q1 earnings per share $0.54 By: Reuters: Company News April 28, 2016 at 18:04 PM EDT * Qtrly net interest income $9.4 million versus $9.7 million Source text for Eikon: Further company coverage: (Bengaluru Newsroom: +1-646-223-8780) Read More >> Related Stocks: Natl Bankshares Inc