Cadence Design Packaging Corp of America SBA Communications and more

Cadence Design, Packaging Corp of America, SBA Communications and more

Pankaj Nangia | Bloomberg | Getty Images

Check out the companies making headlines in extended trading.

Cadence Design Systems – Shares of the computer software company were up 5% at close of business after the company’s quarterly earnings reports. Earnings and sales for the first quarter came in above consensus forecasts, according to FactSet. The company also issued upbeat full-year earnings and sales guidance.

Heidrick & Struggles – Shares of the executive search firm fell more than 4% in extended trading despite reporting first-quarter earnings and revenue growth. The company also saw a number of increases in expenses for consolidated salaries and benefits, costs of services and administrative expenses.

SBA Communications Corporation — Shares of the wireless communications company rose 1.5% after reporting quarterly results, which included adjusted EBITDA that beat FactSet estimates and a better-than-expected financial guidance for the full year. The company also announced the repurchase of 1.3 million shares.

Packaging Corp of America – Shares of the packaging company rose 1.6% on corporate earnings. Adjusted EBITDA for the first quarter was $467.2 million compared to FactSet estimate of $443.1 million.