Apple Inc. closed at a record high Thursday, ending the day up $1.84, or 1.79%, at $104.83. That surpasses its previous record of $103.30 set on Sept. 2. The iPhone and iPad maker AAPL, +1.79% broke its previous split-adjusted 2012 record on Aug. 19. Thursday’s close is the 10th record for Apple Inc. this year. The stock’s 7.33% gain so far this week puts it on pace for its best weekly gain since the week ended April 25. Apple is up 30.8% so far this year, and 39.78% from 52 weeks ago. Tom Bemis