Synopsys to buy back up to $500 million in stock

MOUNTAIN VIEW, Calif. — Synopsys Inc., which makes software to develop and test chips, on Wednesday said its board replenished its stock repurchase authorization, allowing the company to buy back up to $500 million in common stock.

The company may buy stock with available capital at any time.

Under last repurchase authorization, also set at $500 million, Synopsis bought back $290.3 million worth of common shares through April 30, according to its most recent filing with the Securities and Exchange Commission.

Synopsis shares gained 40 cents to $22.45 in aftermarket electronic trading, after closing the regular session up 31 cents at $22.05.