"adjust over time" is correct and usable in written English.
You can use it to refer to something that changes gradually. For example, "The temperature in the classroom will adjust over time as the day progresses."
But if you have a strategic asset allocation that may adjust over time as you get closer to retirement, whatever the reasons are, if you're disciplined what you do is you let your portfolio tell you when it's time to do stuff, as opposed to trying to figure out which bloviating strategist on CNBC that day is going to be writing there short-term market call.
"Airport operators typically can adjust over time," said Kurt Forsgren, author of the S.& P. report.
Give women full-time, affordable nurseries and pay men to share parental leave, the argument goes, and the gender balance will adjust over time as corporate culture changes.
It's easy to lose perspective on the state of the labour market, given that our expectations slowly adjust over time and that relative to other large economies America doesn't look so bad.
Rather than continue to pump workers for extra productivity, firms preferred to return to more normal management conditions, and to let too-high wages adjust over time: "pent-up" wage cuts have been achieved simply by not granting raises.
Except where government regulation or private monopolies preserve the status quo, firms that don't adjust over time won't survive.
The timing of traffic signals would be subtly adjusted over time to maximally impede traffic flows, creating slowly escalating gridlock in major cities, while remaining undetectable to city transportation staff.
These parameters are dynamically adjusted over time to enforce high-level performance specifications for changing workloads.
