Accordingly Bulkowski's, it's being drawn a Broadening tops pattern on CSNA3 (Brazil Ibovespa stock).
[This same patten is saw on Iron Commodity]
#VALE3 is also breaking the a trend ascending line and should visit 100BRL soon. Vale has 12% weight on #IBOV composition. It's a good moment to consider going short, stop long positions or look at some protections (e.g. PUT options)