If you have more than $35 million lying around and feel like investing it in a luxury apartment complex in Stone Oak, you'll soon be in luck. Sonterra Blue, the 324-unit apartment complex at 922 East Sonterra Blvd. will be coming to the market in a matter of months, just as soon as its occupancy level gets a bit higher. The complex, which was built in 2014, is currently 85 percent occupied. Will Balthrope of Institutional Property Advisors, will take it to the market once it hits 90 percent. Dallas-based...