Utilize the input text as a context reference, choose the right relationship between 'Lehman Brothers' and 'investment' from the options.
Options: stock exchange, location of formation, owned by, industry

NEW YORK (Reuters) - Morgan Stanley recommended investors buy Lehman Brothers LEH.N shares, setting a price target of $31, after the beleaguered investment banking firm's stock fell nearly 11 percent on Monday, owing to rumors that it would be bought out well below its current price.
industry