SAN FRANCISCO (MarketWatch) -- Brazilian stocks posted modest gains Tuesday, as rising telecom stocks and airline stocks, which got a lift after Gol Linhas Aereas Inteligentes increased its outlook, offset falling bank stocks.

There was a lot of talk about potential host cities for the Olympics lately and the politics associated. That talk died down after Brazil was awarded the honor of hosting. You may be asking “how does that relate to trading”…well my friend Raul of the Shocked Investor is about to make that connection. He has been researching the Brazilian stocks and options recently and more importantly ones traded on American exchanges. Enjoy the article and be sure to leave a comment with your thoughts.[More...]

We reiterate our Hold rating on shares of Pool Corp. (POOL) following the release of second-quarter financial results. [More...]

Anesiva, Inc. (ANSV) plans to launch Zingo, a product we see having at least $200 million potential, in June 2008. We are big fans of Zingo and expect the stock to outperform once the market comes to grips with the product potential. In the meantime, development plans with Adlea, a potential billion-dollar blockbuster for post-surgical pain, is progressing nicely in phase III trials. As such, we think... [More...]

Here are today's analyst calls

UPGRADES:

NetLogic NETL UBS =Buy

Fluor FLR JP Morgan =Overweight

Research In Motion RIMM JMP Securities =Market Outperform

Santarus SNTS Friedman Billings= Outperform

Fannie Mae FNM Citigroup= Buy

Research In Motion RIMM RBC Capital Mkts=Top Pick


DOWNGRADES:

PMI Group PMI UBS= Neutral

MGIC Investment MTG UBS =Neutral

American Home Mortgage AHM Friedman Billings =Underperform

TIM Participacoes TSU= Market Perform

Chordiant Software CHRD JMP Securities= Mkt Outperform

Komag KOMG Robert W. Baird =Neutral

Komag KOMG Deutsche Securities =Hold

Palm PALM Deutsche Securities= Sell