The phrase "a further downside" is correct and usable in written English.
It can be used when discussing additional negative aspects or consequences of a situation or decision.
Example: "While the new policy has some benefits, a further downside is that it may lead to increased costs for the company."
Alternatives: "an additional drawback" or "a further disadvantage."
Do the bank stocks have a further downside?
A further downside came as the new Gambling Act outlawed Section 21 gaming machines from bingo clubs".
And I can see that if, say, you're a singer called Chris Brown and you assault your girlfriend, who also happens to be famous (as Rihanna certainly is), then a further downside of your disgusting behaviour might be that one of your more stupid fans might think it marginally less wrong to do the same to his girlfriend.
Figure 6a shows a further downside: by prolonging the epidemic, the control prolongs the period during which social distancing is practised, thus greatly reducing the number of contacts.
A further downside is that in 2013, serious security issues in Java were uncovered, prompting the US Department of Homeland Security to recommend that users uninstall Java to maintain security.
Nomura has a price target of 40 euro cents a share for Bankia, so that there is a possibility of "further downside," Mr. Quinn added.
Technical breakdowns of this sort are typically a reason to be concerned about further downside, but a convincing break below the 17,000 support level is necessary for further confirmation of this scenario.
Similar arguments can be made for global equities: A severe global recession implies further downside risks to global equities in the order of 20% to 30%.Thus, the recent rally in U.S. and global equities was only a bear-market sucker's rally that is already fizzling out buried under a mountain of worse-than-expected macro, earnings and financial news.
Junk bonds are in a weak technical position with much further downside risk as long as they remain under the $81 - $83 resistance zone.
However, investors should be wary of a monthly finish below the equitys 10-month trendline, using this as an indication that the shares have further downside ahead of them.
Sending lethal weapons to Ukraine has one further downside — it would cause a rift between the United States and its main European allies.
