Manpower ( MAN), the company that deals with temporary and contract workers, hiked its dividend and said its board approved a buyback plan covering up to 5 million shares. The company's semiannual dividend will be raised to 27 cents a share from 20 cents. The dividend is payable Dec. 15 to shareholders of record Dec. 2. Stock repurchases can be made from time to time in open market or privately negotiated transactions. Common stock acquired through the program will be available for general corporate purposes. Shares of Manpower, based in Milwaukee, were adding 20 cents to $45.26 after the close of regular trading.