Today I anwsered a question Loopback/Localhost Question. My answer didn't get accepted, no biggy the question got answered and person who asked it was happy. However my day's reputation (on Stack Overflow) now says +10 when it should be +25.
10 today +15 2 hours ago accept IE vs Chrome certificate handling, and SSL communication on XP vs Windows 7 +10 5 hours ago upvote Loopback/Localhost Question -15 6 hours ago unaccept Loopback/Localhost Question
The question was only asked today, I posted my answer today and the question was marked as answered today so I don't think this is a side effect of the question being added to a previous day's reputation then being substracted from today.