Stocks to watch at close on Wednesday STOCKS to watch on the Australian stock exchange at close on Wednesday: HIL - HILLS HOLDINGS - up 10 cents, or 6.2 per cent, at $1.725 Hills Holdings has sold another of its manufacturing businesses, and expanded its technology operations into the healthcare sector. RIO - RIO TINTO - up 50 cents, or 0.8 per cent, at $61.55 Engineering firm Monadelphous Group has won a $235 million construction contract for work on an iron ore port being built for Rio Tinto. NWS - NEWS CORP - down 32 cents, or 1.8 per cent, at $17.50 News Corp, the publishing group created with the split of Rupert Murdoch's media empire, says it is selling 33 US publications to a group led by Fortress Investment Group.