378,571 shares. That's the entire float our profile shows for $AIXI, up 25.68% pre-market with nothing new on the wire. The last headline is from April: a Chinese court rejected Apple's appeal against Xiao-I's AI patents. It is background, not today's reason.
The instructive part is the ticker's own history. On 21 prior sessions that opened with a gap-up of 5% or more, it closed above that day's open 52% of the time and below it 43% of the time.
The median open-to-close return was +1.41%. The mean was +10.38%.
The same 21 days produced two numbers more than seven times apart. A few outsized sessions are carrying the average, while the typical day did very little. On a float this thin, one squeeze can write the whole average. Anyone who quotes you the mean owes you the median.
Twenty-one sessions is a small sample, and none of them was filtered for a missing reason like today's.