Can abnormal returns occur by chance in an efficient market?
Question 2
Which of the following is most likely true in an informationally efficient market?
Question 3
Can strong-form efficiency exist realistically if insider trading laws are actively enforced?
Question 4
Can passive investing strategies be supported by Efficient Market Hypothesis?
Question 5
An investor earns excess profits immediately after discovering publicly available but ignored information. This most likely suggests:
Question 6
Which activity is least likely to provide sustainable abnormal profits in a weak-form efficient market?
Question 7
A market where security prices instantly adjust after an earnings announcement is most consistent with:
Question 8
A market where neither technical nor fundamental analysis consistently works, but insider information may still help, is most consistent with:
Question 9
A perfectly efficient market would most likely make it difficult for active managers to:
Question 10
Can a market be weak-form efficient but not semi-strong efficient?
Question 11
Which form of efficiency directly challenges the usefulness of technical analysis?
Question 12
A portfolio manager claims that publicly available financial statements always provide opportunities for superior returns. This claim conflicts most with:
Question 13
Which of the following most strongly challenges weak-form efficiency?
Question 14
Which of the following would most strongly support semi-strong efficiency?
Question 15
Can informational efficiency coexist with occasional asset bubbles?
Question 16
The biggest challenge in proving strong-form efficiency empirically is:
Question 17
Can informational efficiency eliminate all investment risk?
Question 18
Which of the following is most consistent with informational efficiency?
Question 19
The strongest implication of strong-form efficiency is that:
Question 20
Can semi-strong market efficiency still allow profits from insider information?
Question 21
Can markets become temporarily inefficient during periods of panic or euphoria?
Question 22
A stock price continues rising gradually for weeks after positive earnings news. This most directly indicates:
Question 23
A company’s stock reacts before a public merger announcement because insiders leaked information. This most directly challenges:
Question 24
Can weak-form efficiency coexist with profitable insider trading?
Question 25
A trader consistently earns abnormal profits using only historical stock price charts in a market. This situation most directly contradicts:
Question 26
Can insider information still have value in a weak-form efficient market?
Question 27
An investor believes stock prices fully reflect all public data but not insider information. This belief aligns most with:
Question 28
If strong-form efficiency holds perfectly, which activity becomes least useful for earning abnormal returns?
Question 29
A hedge fund consistently profits from predictable post-announcement stock drifts. This most likely contradicts:
Question 30
A market where investors consistently exploit accounting disclosures for abnormal returns is likely:
Question 31
A stock consistently underreacts to earnings surprises. This most likely represents:
Question 32
A trader claims consistent profits using only publicly available macroeconomic news. If true, this most directly challenges:
Question 33
The primary assumption behind Efficient Market Hypothesis is that:
Question 34
Which market condition most weakens strong-form efficiency?
Question 35
A sudden stock price increase occurs immediately after unexpected merger news becomes public. This behavior supports:
Question 36
Can markets be informationally efficient even when stock prices fluctuate significantly?