TSX Movers: Valeant, Merus Labs, Teck Resources

The video discusses Pershing Square's sale of Valeant shares, reducing its stake for tax loss purposes. Valeant's stock has significantly dropped due to scrutiny over drug pricing. Marist Lab reports disappointing Q4 results but plans for a transition year in 2017, focusing on increasing working capital and streamlining expenses. Teck Resources experiences gains due to rising copper prices but faces a midday loss following a Fed rate hike announcement.

What financial strategy will Marriage focus on according to the text?

What was the reason for Teck Resources' stock performance in the S&P TSX?