MySize ($MYSZ) jumped 12% after hours on an acquisition-led defense technology headline. The float is just 710,000 shares, which will inevitably tempt late-night momentum chasers into clicking market orders.
Here is what historical sample size says about this exact ticker:
In 20 prior gap-up days of 5% or more, $MYSZ closed green only 10% of the time. The stock faded red in 90% of instances, delivering a mean return of -9.92% from the open.
Retail buys the defense headline. The base rate sells the liquidity.