Belgium’s national airline, Sabena, said it has...

Belgium’s national airline, Sabena, said it has ordered 16 Boeing 737s as part of a plan to renew and expand its fleet, but it did not disclose the value of the deal . . . Boston Acoustics Inc., which makes loudspeakers, has received two proposals for the purchase of all its outstanding shares at $11 each. Senior managers of Boston Acoustics and their families control more than 50% of the outstanding shares of common stock.