It may.
"Signing up for a credit card" means that you signed some form of contact to open a credit account. This contract (most likely) authorized the credit issuer to make an inquiry into your credit report and to charge you fees for activation and account set up.
An inquiry is an indication that you might be opening up new accounts. New accounts also cause deductions because there is no history yet as to how you have paid on the account. If you don't pay any fees or charges (those are usually the first charges on a credit card account) this will negatively impact your credit as late payments and then a collection or charged off account. Those will show for 7 years, plus 180 days.
Closing an account will affect your credit score and decrease your score.
If you have a chargeback, that is a credit to your account. This will not affect your credit score negatively or positively.
Strangely enough, yes it does negatively but temporarily affect ones credit score.
It negatively affects both the primary and the authorized user credit score and report.
No. Loans from 401(k) accounts are not usually reported to credit reporting agencies, so it should not affect your credit history favorably, or negatively.
Yes, if you default on any loan it will affect your credit rating negatively.
Yes, yes you do
The creditor can sue the account holder(s) to recover the debt. The defaulted account will be entered on the consumer's credit report and negatively affect the person's credit score. That type of negative entry will remain on the CR for 7 years.
Subsidized loans will affect your credit score negatively if you are not paying them. If you are paying them, they will have a positive effect on your score.
All inquiries in excess of 3 in one year negatively affect your credit. The more you do it the lower it will get.
It may. Credit scores are based on ALL the information showing in your credit report at the time they are calculated. So any change, including balance transfers can impact your score.
Trading in a car does not affect your credit unless you sign a new car loan and get a new car. This may negatively or positively effect your credit.