Investor Roundtable Themes of this earnings season Add to ... The Globe and Mail Published Wednesday, Aug. 01, 2012 4:57PM EDT Last updated Thursday, Aug. 02, 2012 8:08AM EDT Many North American companies issued their latest earnings reports over the past few weeks. The Globe and Mail's Tim Kiladze, Pat Brethour and Scott Barlow take a look at some common themes that emerged from this earnings season. Watch More Video: Should you get a pre-nup? Apple revamps MacBook Pro Amazon disappoints, Alphabet beats Tata Sons hits back after letter leak Market Call Tonight: Top Picks from StoneCastle's Bruce Campbell Strong U.K. GDP data; Nissan opts to stay Note 7 recall shock sinks Samsung profits VW brand profit plunges, Porsche lifts group Deutsche Bank warns of tough times ahead Lufthansa cancels hundreds of flights as budget units strike Twitter plans to cut 9% of workforce Microsoft reveals new Surface, Windows features Writedowns could be on the horizon for Tata Sons Clinton voices concern about AT&T-Time Warner deal Tesla surprises with quarterly profit Ericsson picks board veteran to engineer turnaround Mystery over Mistry's removal at Tata Sons Coke's profit plunges After massive hack, Chinese firm issues recall Market Call Tonight: Top Picks from Davis Rea's John O'Connell Comments AA More Related to this Story Economy Video: No new stimulus despite slowing economy, says Fed Economy Video: Markets react to Fed announcement Agriculture Video: How can agriculture investors deal with climate concerns?