Stocks to watch at close on Tuesday BLY - BOART LONGYEAR - up 3.00 cents, or 6.82 per cent, at 47 cents Drilling company Boart Longyear has appointed Rio Tinto executive Jeffrey Olsen as its new finance chief. WPL - WOODSIDE PETROLEUM - down 4.00 cents, or 0.11 per cent, at $37.66 Shell New Zealand and its joint venture partners are to drill an exploration well in the Great South Basin, off the South Island's southeast coast, in a move the energy industry hopes will create "the next Taranaki." BGA - BEGA CHEESE LTD - up 7.00 cents, or 1.58 per cent, at $4.50