If Goldman Sachs raise their GDP estimate, then you can rest assured that they have very large market positions which will benefit from this call. Remember that almost 50% of their profits are paid out to employees. Similarly when Deutsche Bank predicts a surge in negative equity in the US, you can be 100% sure that this call will not hurt DBs internal positioning. Just like the ratings agencies giving AAA ratings to piles of sub-prime junk, the investment banks are only driven by self interest and profit. This is what dug the big hole last year and as behaviour isn’t changing, another melt-down is inevitable.