After reviewing opinions here, on the radio, etc. I believe Hillary garnered her supporters and those who wanted to support her but were unsure.
There are two more debates, and anything can happen. But I believe Trump's self-centered grandiose belief in himself, his inability to extricate himself from his need to defend himself from every slight and every attack will doom him to being embarrassed in the next two debates by someone who has so many flaws and would be so easy to attack by nearly anyone else who had the debate experience to do so (IE - Romney).
Trump is just as flawed a person as Clinton in many ways, but the fact that she was a politician making those mistakes and decisions, while he was a businessman should have been what allowed him to separate himself from her attacks almost every time.
When she attacked him for Iraq... all he had to say was:
"You voted for it as Senator, not me! I wasn't serving the people of America back then, you were."
When Holt pestered him more than once on an issue, say pointedly:
"Am I debating YOU or Secretary Clinton!?!"
He could have even followed that up with:
"If you want to debate me fine, but could you wait your turn? After Secretary Clinton and I or done you can step up here and take a turn."
Having a quick wit to cut those things off dead in their tracks would have gone a long way for him... the fact that he didn't have those one liners ready for those attacks when they came was a sign that he wasn't prepared and was out maneuvered by someone who in my opinion is the worst Presidential debater we have witnessed in a long time. Well, except of course for Trump, who is no politician.
This is what we are left with... the non-politician that makes Hillary Clinton look almost Presidential. One would hope Trump realizes his mistakes, and that these debates are a different animal than the primary debates he had... but I am leery to think that... his ego may be to big for his own good.