Serena is managing an investment portfolio. She invested in four stocks in her portfolio on 15^th of December 2020. Table below presents the price changes of these four stocks from 15^th of December 2020 to 20^th of January 2021.

Stocks	15th of December 2020	20th of January 2021
ABC	$16.28	$18.30
XYZ	$19.20	$16.75
TSV	$35.10	$31.31
DRT	$100.64	$101.00

On 20^th of January 2021, Serena sold stocks ABC and DRT and continued holding stocks XYZ and TSV. What is the best terminology to describe Serenas behaviour? Please use terminology covered in the lectures and explain your answer.

For calculations please round your final answer to two decimal places, round any intermediary calculations to four decimal places.