This one is kinda funny because it's so absurd, and also anyone with 32k to invest in the first place can't be doing that badly. However, it's fucked up how gambling on your phone, sports and crypto as well as stocks, has just been completely normalized over the last couple of years.
This also might be a glitch (the number looks suspiciously close to the 32 bit max). But in that case it's fucked up how people's live are so controlled by completely unaccountable tech companies who don't provide support unless you're a corporate customer with millions of dollars in monthly spending.
Well an unsigned max is 4 million something, so if that was used to track a loss it might come out to around this. Probably not the actual reason, just a wild guess.
unsigned max 32 bit is 2^32 minus 1 or 4,294,967,295. Still billions, not millions. And certainly not 4.17 million. I seriously doubt this is a software error. Also I think banking software would not store a number of dollars as an unsigned integer since negative account balance is possible, and certainly not a 32 bit integer since there are plenty of billionaires who have more money than 2^32. And certainly they wouldn't even use an integer in the first place since you need a floating point for the number of cents, or whatever other fractional unit of currency.