Stocks to watch: Midas, Unionmet, Elektromotive, Artivision, Blumont, Annica

Here are several stocks on watch on Monday morning:

MidasHoldings: Its shares surged 24 per cent on Friday. In response to the Singapore Exchange's query on unusual trading activity, Midas said it had no knowledge of any development that could have affected its share price. A trade with caution advisory was subsequently issued.

Unionmet (Singapore): The company planned to sell its wholly-owned subsidiary, Liuzhou Union Zinc Industry, for S$4.5 million. Since 2011, Liuzhou Union Zinc has been loss making. Management efforts to turn the subsidiary around over the past few months have also been unsuccessful.

Elektromotive: The company on Friday announced the change in interest of its substantial shareholder, Tan Choon Wee, who is also the executive director and chairman of its investment committee. Mr Tan oversees the group's investment and acquisition activities.

Artivision: It has requested a trading halt pending the release of an announcement.

Blumont Group, Annica Holdings: Their counters rose steeply on Friday. There had been no developments recently for the heavily punted stocks.