Looks like a bug in Stack Overflow reputation update
99351
Something is going wrong with my reputation
101331
Yet another "inconsistent reputation history"
157643
Why are reputation changes not showing in the top bar?
116193
Seemingly random reputation gain of 1
116157
New reputation is too verbose: upvote/unupvote, upvote again
29960
There is an UI issue for the ranking div when a user crossed 200 reputation
112760
Bug when marking a question as duplicate
29560
Options to hide reputation information on Stack Overflow?
14969
Why do I require 15 reputation to just up-vote something?
41914
My reputation on Stack Overflow is not updated in Careers 2.0
46553
Why do reputation drops not highlight the Achievements icon?
124358
Area51 reputation total showing more than profile total reputation
28503
My "network reputation" graph does not accurately reflect my accounts
132353
Why aren't there notifications about negative reputation changes?
107672
Reputation widget crash
36185
Stack Exchange reputation graph: unselecting the top site results in y-axis rescaling mess
8825
How long does it take for reputation on Stack Overflow Careers to be updated?