Gerdau posts best 2 day gain since 2008 as btg says buy.

Gerdau SA had its biggest two-day gain in more than six years as Brazilian steelmakers were said to prepare to raise prices. Gerdau is planning an increase of as much as 10 percent in the price of long steel, used in construction, said the person who asked not to be named because the decision isn't public yet. [Extracted from the article]