Why MasTec Stock Is Up Today

Tight cost controls led to a profit beat.Construction company MasTec (MTZ 7.93%) beat quarterly earnings expectations and raised full-year guidance. Investors are pleased by the news, sending MasTec shares up 8.5% as of 11:30 a.m. ET.Improving profitabilityMasTec is a construction and engineering company focused on large infrastructure projects. The company earned $1.63 per share in the third quarter on revenue of$3.3 billion, compared to Wall Street's $1.23 per share on sales of$3.4 billion estimate. Rev ...