"value drop" is correct and usable in written English.
You can use it when you want to talk about a decrease in the value of something. For example, "The stock experienced a sudden value drop after the announcement of a major acquisition."
Not only Sony but many of Japan's best-known brands — including Toyota, Panasonic and Bridgestone — have had their market value drop below their so-called book value, the total worth of their buildings, equipment and other physical assets.
Wells Fargo has seen its market value drop by close to $20 billion since the settlement's disclosure, and it is no longer the most valuable bank, showing how strongly investors feel about the case.
Now, after disclosing a $2 billion trading loss at JPMorgan in May and watching the bank's market value drop by more than $25 billion, those officials are expected to follow one of the group's recommendations, strengthening the board panel that oversees risk.
At the end of June 2018, the social media giant saw its value drop $119 billion in a single day, while Mark Zuckerberg's net worth dropped $15.4 billion.
Millennial Media, the largest independent mobile ad operator, saw their market value drop huge after a disappointing financial disclosure to analysts.
As Motorola was blindsided by the surge of Nokia, Motorola shareholders saw their value drop by 50% between 1997 and the end of 2002.
The median house value dropped 9percentt in Buffalo, to $60,800.
This value dropped to 47.7 ± 18.4 by the 8th session.
In third order, however, this cross-over value drops to 600 km/s.
The broader Standard & Poor's 500-stock index lost 2.86percentt of its value, dropping to 1,100.64.
The Rowlands may have invested in Edulink too often, since its value dropped.
