Brazil's Usiminas jumps after report Ternium aims to take it private

** Usiminas shares rise about 5%, among the top gainers on Brazil's benchmark Bovespa stock index .BVSP, which is up 0.3%

** The stock is up 15.5% year-to-date

** Shares in Brazilian steelmaker Usiminas USIM3.SA rise after a report that the company could be taken private

** Steelmaker Ternium TX.N, the leading shareholder in Usiminas' controlling group, aims to take the Brazilian steelmaker private, newspaper O Globo reported on Monday, without identifying how it got the information

** Ternium and Usiminas did not immediately respond to requests for comment