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: Greeks defy Europe with overwhelming referendum No Greek negotiator says bailout offer was easy to refuse Facebook unveils subtle changes to its logo Whole Foods CEOs apologize for overcharging Countdown on to Greek vote Vancouver housing heats up, but it's not too hot to handle Market Call Tonight: Top Picks from Middlefield Group’s Andy Nasr Canadian bank stocks underperform in first half of year Is China a bubble about to burst? Potash Corp. wants face time with K+S Blaming 'foreign puppets' for China's stock markets rout Plan now to avoid a financially-uncertain retirement Another Sears Canada CEO out: A turnaround plan is long overdue BP settles U.S. oil spill claims for $18.7 billion K+S rejects $8.6B takeover proposal by Potash Corp. U.S. adds 223,000 jobs in June Creditors to Greece: No more talks until after referendum Strike begins at nine Loblaw-owned stores Athens is 'like winter,' say local business owners Bull vs. Bear: Should you give your kids an allowance? 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?