Some People Claim That Stocks Follow a Random Walk

question 28

Multiple Choice

Some people claim that stocks follow a random walk.What does this mean?

• A)The price of stock one day is about what it was on the previous day.
• B)Changes in stock prices cannot be predicted from available information.
• C)Stock prices are not determined by market fundamentals such as supply and demand.
• D)Prices of stocks of different firms in the same industry show no or little tendency to move together.

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Definitions:

Off-Delay Timers

Timers that begin timing when their input is turned off, delaying the off event for a preset period.

Off Delay Cycle

A control or timing function where a signal or operation is delayed from turning off after an input trigger is removed.

MCR Instruction

Master Control Reset, an instruction used in programming PLCs to control the execution of a block of logic or instructions between its start and end points.

Nonretentive Outputs

Output signals or data in a control system that do not maintain their state after a power cycle or reset.