What does "tick up" mean?
Context:
"New unemployment claims slip; housing starts tick up"

http://www.usatoday.com/money/economy/2010-12-16-jobless-claims_N.htm

Question

What does "tick up" mean?
Context:
"New unemployment claims slip; housing starts tick up"

http://www.usatoday.com/money/economy/2010-12-16-jobless-claims_N.htm

Answer

tick up here means to grow , increase

Answer

It means they increased slightly. (The number of homes being built increase but just by a little bit.)