Stocks to watch at noon on Friday August 9, 2013 - 12:18PM Stocks to watch on the Australian stock exchange at noon on Friday: NNC - NEWS CORPORATION - up 7.00 cents, or 0.39 per cent, at $17.92 News Corp Australia chief executive Kim Williams has resigned. RIO - RIO TINTO - up 84.5 cents, or 1.42 per cent, at $60.325 Workers at a Newcastle coal terminal are set to strike as a dispute between unions and management over work conditions continues. TAH - TABCORP - down 11.5 cents, or 3.42 per cent, at $3.245 Gaming company Tabcorp says it's had a successful 12 months, despite seeing its net profit drop more than 60 per cent following the expiry of a lucrative gaming contract. TAN - TANDOUR - steady at 50 cents Rural Equities and interests associated with the Cushing family have built up a 17.7 per cent stake in ASX-listed agribusiness Tandou.