3 letter DOT com
As 3 letter dot coms are hard to find (even more if they don't include numbers), their prices tend to raise.
As you already know they're suitable for enterprise acronyms or abreviatures. Their value grows also because of the "shortness" and, in same cases, because they receive natural type-in traffic and, hence, revenue if you know how to get profit for traffic.
If I owned it, I wouldn't be letting it go for less than, at least, low $x,xxx .