Specialty chemical product maker H.B. Fuller ( FUL) reported a slight increase in second-quarter earnings and sales Tuesday but, excluding charges, results missed analysts' expectations by a penny. Shares of the company were down about 1.2% recently at $23.42 on the news. Including charges, the company earned $9.8 million, or 34 cents a share, compared with $7.9 million, or 28 cents a share, in the year-ago period. Excluding charges, the St. Paul, Minn.-based company earned $12.3 million, or 43 cents a share, up from $12 million, or 42 cents a share, in the comparable quarter last year. Analysts expected the company to earn 44 cents a share. Revenue was $324.5 million, up 1.6%, in the quarter ended May 31. The company said its global adhesives' net revenue increased 3.2% compared with last year, but the unit's volume decreased 1.5% and prices fell 1.2%.