Streetwise Video: Streetwise: Facebook shares tumble as lock-up expires Add to ... BNN Video Published Thursday, Aug. 16, 2012 4:00PM EDT Last updated Thursday, Aug. 16, 2012 6:27PM EDT Tim Kiladze and Tara Perkins from the Globe and Mail report from BNN's studios Watch More Video: What’s with all the overspending on weddings (average cost: $31,000+)? Money Manager: Brexit shock market selloff is overdone Rosenberg is waiting for this signal before buying post-Brexit Post-Brexit is Toronto's chance to further position for prominence Extra canal capacity for Panama - finally Less investor pain in Spain? Market Call Tonight: Top Picks from 5i Research's Ryan Modesto Pound slides to 31-year low as Brexit worries hammer British markets Brexit vote shakes Asian auto makers Markets battered by Brexit aftershocks Mah-jong games instead of job interviews Video: Osbourne tries to calm Brexit fears London's French fear 'Brexit' fallout Markets wracked with post-Brexit anxiety Can the marriage of a spender and a saver possibly last? Vote to leave: Where do we go from here? How Brexit threatens to weigh on Canada’s economic growth IMF will work to dampen volatility after Brexit Stocks open sharply lower after Brexit vote Britain's financial sector reels from Brexit Comments AA More Related to this Story Investor Clinic Video: Investor Clinic: Tips for investors with an eye on IPOs market blog Facebook’s lock-up is over. Will insiders like today’s action?