With iTunes overnights in for Sony artists, comparing Saturday and Sunday post-Grammy sales bumps, Mumford & Sons and Justin Timberlake were the big winners on the album and singles side, respectively. Best Album winnerBabel was up a whopping 350%, followed by Sigh No More (+142%),Carrie Underwood’s Blown Away(+250%), Alabama Shakes’ Boys & Girls (+311%), Miguel’s Kaleidoscope Dream(+854%) and Jack White’s Blunderbuss (+792%). On the singles side, Timberlake’s “Suit & Tie” was up 288%, followed by Alicia Keys’ “Girl on Fire” (+97%), Underwood’s “Two Black Cadillacs” (+88%) and “Blown Away” (+341%), P!nk’s “Try” (+77%), Kelly Clarkson’s “Stronger” (+379%), Miguel’s “Adorn” (+920%) and the remix with Wiz Khalifa (+3114%) and Miranda Lambert’s “Over You” (+570%). Some of the huge increases represent a fairly small sample size, but you get the idea. We’ll get you the UMG and WMG figures when our crack retail department crunches the numbers. [HitsDailyDouble]