Respuesta :

If the financial markets are efficient, then investors should expect their investments in those markets to Market efficiency. The Market efficiency refers to how well current prices reflect all available, relevant information about the underlying assets' actual value. Because any information is useless in a truly efficient market, beating the market is impossible.

If the New York Stock Exchange is a well-functioning market, Company ABC's share price accurately reflects all available information about the Market. As a result, all NYSE participants could predict that Company ABC would release the new product. As a result, the company's stock price remains unchanged.

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