random walk investing

index management

technical analysis

fundamental analysis

1 and 3 only

1 only

1, 2, and 3

2 only

Engaging in active portfolio management to enhance returns

Diversifying

Investing in stocks of utility companies

Investing in treasury bills

efficient at all

semistrong-form efficient

strong-form efficient

weak-form efficient

stock prices do not rapidly adjust to new public information

arbitrage between futures and cash markets should not produce extraordinary profits

corporate insiders should have no better investment performance than other investors even if allowed to trade freely

future changes in stock prices cannot be predicted from any information that is publicly available

all information, including inside information

all publicly available information

all past information, including security price and volume data

all costless information

An abnormal return

A subliminal return

An excess return

A normal return

trading rule

fundamental approach

market anomaly

passive trading strategy

all information, including inside information

all publicly available information

all security price and volume data

all costless information

strong-form efficiency argument

weak-form efficiency argument

semistrong-form efficiency argument

technical analysis trading method