Sam Ro writes:
Overall, Wall Street’s strategists are bullish on stocks for 2013 for various reasons.
One reason worth taking a second look at is expanding corporate profit margins, which are already at historic highs.
A slew of experts like GMO’s Jeremy Grantham, SocGen’s Albert Edwards, LPL Financial’s Jeff Kleintop, and John Hussman think these margins are unsustainable.
But the equity analysts and the companies they cover disagree……..
That is the medium-term outlook, but one has to question whether low effective tax rates and low interest rates are sustainable in the long-term. A weaker dollar has also boosted the conversion of offshore earnings but that is a one-off gain unless the dollar continues to weaken.
Read more at 2013 Profit Margin Expectations – Business Insider.

Colin Twiggs is a former investment banker with almost 40 years of experience in financial markets. He founded PVT Capital (AFSL number 546090), which provides income and growth strategies to wholesale clients.
Colin also co-founded Incredible Charts and writes the popular Patient Investor newsletter.
Using a top-down approach, Colin identifies macro trends in the global economy and then combines fundamental and technical analysis to evaluate opportunities in sectors that stand to benefit.
Focusing on interest rates and financial market liquidity as primary drivers of the economic cycle, he warned of the 2008/2009 and 2020 bear markets well ahead of actual events.
