<prompt> Translate the following text to SwahiliInvestors generally try to achieve some balance in the allocation of their portfolios, and U.S. assets already represent a significant share of foreign portfolios.  <response>: Wawekezaji kwa ujumla hujaribu kufikia usawa katika ugawaji wa kwingineko zao, na mali za Marekani tayari zinawakilisha sehemu kubwa ya kwingineko za kigeni. 