Beckman Coulter’s earnings climb

Medical diagnostic test maker Beckman Coulter Inc. posted a 56% jump in second-quarter earnings on demand for its genetic testing systems.

Net income increased to $69.4 million, or $1.09 a share, from $44.6 million, or 70 cents, a year earlier.

Quarterly revenue rose nearly 12% to $689.7 million.

Shares of Beckman Coulter gained 4 cents to $70.70.