Tutor Perini (TPC) closed at $25.60 in the latest trading session, marking a -0.27% move from the prior day. The stock's change was less than the S&P 500's daily gain of 0.4%. At the same time, the ...
Dr. Lee de Forest, a distinguished electrical engineer and the foremost American contrib-utor to the development of wireless telegraphy and telephony is at the head, as president and secretary of ...