THE MARKETS: Market Place; Goldman, Sachs Partners Vote to Take Firm Public
Goldman, Sachs & Co partners vote overwhelmingly to sell shares in Wall Street's most profitable private investment bank; formally approve offering plan that values firm at $28 billion and promises employees a big cut of riches; partners anticipate selling 10 to 15 percent of its share to public, raising about $3 billion; offering will price whole firm at about $28 billion (Market Place column) (M)