The tape is the most recent part of a multi-year corruption probe called "Operation Carwash." More than 80 people have been charged with bribery and money laundering to date.
Shares of Orion Engineered Carbons are deep in the black, up 37% so far this year.
Orion Engineered Carbons is up 37 percent year-to-date. And the company's CEO expects the good times to continue in the second half of 2016.
Here are 4 stocks to take a look at as this hot-money action picks up.