Eaton Vance National Municipal Opportunities Trust reported earnings results for the second quarter and six months ended March 31, 2013. For the quarter, the company reported net investment income of $4,195,000 or $0.273 per share against $4,274,000 or $0.280 per share a year ago. Net increase in net assets from operations was $3,743,000 or $0.245 per share against $16,506,000 or $1.083 per share a year ago.

For the six months, the company reported net investment income of $16,948,000 or $1.106 per share against $17,953,000 or $1.174 per share a year ago. Net increase in net assets from operations was $32,694,000 or $2.135 per share against $53,225,000 or $3.483 per share a year ago. Net asset value per share outstanding as at March 31, 2013 was $22.70 against $21.64 as March 31, 2012.