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(Reuters) - Steep gains in shares of GameStop Corp and other stocks this week have been described as populist market revolts. But among those out ahead are some of Wall Street's largest asset managers, which can realize gains both from their share stakes and from lending out stocks to short sellers.
Other beneficiaries include market-makers and trading systems that profit from huge volumes.
Many investors have not yet realized their profits by selling shares, and some platforms could later face disillusioned retail customers who bought into the rally too late, said Larry Harris, a former chief economist for the U.S. Securities and Exchange Commission and now a finance professor at the USC Marshall School of Business.