Four new ETFS from ProShares hit the tape today, offering +200% daily leveraged exposure to four MSCI indexes covering Brazil, Mexico, Pacific ex-Japan, and Europe.  All these benchmarks, or similar ones, are already accessible in unleveraged fashion through other ETFs.  ProShares obviously thinks there is demand for more aggressive ways to trade them.  (News release) The new ETFs are: ProShares Ultra MSCI Brazil (UBR) (overview page) ProShares Ultra MSCI Europe (UPV) (overview page) ProShares Ultra MSCI Mexico Investable Market (UMX) (overview page) ProShares Ultra MSCI Pacific Ex-Japan (UXJ) (overview page) ProShares previously launched 2x inverse ETFs covering all these indexes, so now they have the long side covered as well.  Other firms, notably Direxion, have tended to launch long and inverse funds in matched pairs at the same time.  ProShares seems to…