"We shall continue to fight," said Ranieri.
"This result will give my players confidence for the rest of the season because it's not easy to come here and get a result as Stuttgart have a very good home record.
"In every game, you need a little luck. Sometimes you get it and sometimes you don't.
"Against Arsenal, we were physically at our strongest of the season but we lost.
"There is a difference between how you are physically and mentally and I hope this will help us recover mentally and will be a turning point in our season.
"I'm very pleased with the performance. We have played four matches in the Champions League now and had four wins."