The Following Are the Daily Returns for Both the Overall

question 49

Multiple Choice

The following are the daily returns for both the overall market and for Coastal Engineering, Inc. What is the cumulative abnormal return on Coastal Engineering, Inc., stock for this five-day period?
$$\begin{array} { r r r } \text { Date } & \text { R(m) } & \text { Alpha } \\\text { 4-Aug } & 1.00\%& 1.10\% \\\text { 5-Aug } & - .30\% & .20\% \\\text { 6-Aug } & - .20\% & .30\%\\\text { 7-Aug } & .50 \% & - .30\% \\\text { 9-Aug } & .20\% & - .10\%\end{array}$$

• A)-1.2%
• B)-.5%
• C)0%
• D).2%
• E)1.2%

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Definitions:

Presynaptic Cell

A neuron that sends a signal to a neighboring neuron at a synapse, typically by releasing neurotransmitters.

Synapse

The junction across which nerve impulses pass from one neuron to another or to a muscle or gland cell.

Postsynaptic Cell

The cell that receives a signal (usually neurotransmitters) from another neuron at a synapse.

Neuroglia

Supportive cells in the nervous system that provide structure, nourishment, and protection for neurons.