Cybex International, Inc. recorded a 20% jump in net sales for the first quarter to $34.7 million from $28.9 million for the same quarter last year.

The company's first quarter gross margin increased to 37.2% versus the prior year 36.5%. Net income for the quarter was $1.1 million, or 6 cents per diluted share, growing 57.1% from $0.7 million or 4 cents per diluted share last year despite a tax rate that jumped to 41.5% from 8.6% last year.