The _________ -form of the efficient markets hypothesis says that you cannot consistently "beat the market" (earn an annual rate of return greater than you would have earned had you invested in the S&P 500 stock index) by studying SEC filings, financial statements, firm and industry financial ratios, industry trend analysis reports, and all the vast amount of economic and financial data released regularly by the US government, individual firms, industry or trade organizations, etc
depressing
weak
historical
semi-strong
strong