Anyone have any info or reasons why $AI+2.3% and $NIO+0.4% are up more than 5% today? I couldn't come up with anything clear. :) Thanks

AI
$29.69 $0.68 +2.34%
1 Day
+2.34%
5 Days
-13.01%
1 Month
-25.02%
6 Months
+5.12%
1 Year
+87.31%
YTD
+148.23%
5 Years
-70.29%
Max.
-70.29%

Yield on a 10-year government bond

Thank you.