Found this....
The polls
FOX News 12/7 – 12/10 1127 LV 3.0 40 50 Jones +10
Emerson 12/7 – 12/9 600 LV 3.9 53 44 Moore +9
Trafalgar Group (R) 12/6 – 12/7 1419 LV 2.6 51 46 Moore +5
Gravis 12/5 – 12/8 1254 LV 2.8 49 45 Moore +4
WBRC-TV/Strategy Research 12/4 – 12/4 3200 LV 2.0 50 43 Moore +7
CBS News/YouGov 11/28 – 12/1 766 LV 4.8 49 43 Moore +6
Washington Post 11/27 – 11/30 739 LV 4.5 47 50 Jones +3
And....the recent news that the most famous Moore accuser admitted to forging the yearbook. I would not be surprised if the polls you listed are low now.
As for Fox, historically, their polls have never been accurate.