By Caroline Valetkevitch NEW YORK (Reuters) – U.S. stocks rose on Thursday, extending the market’s recent rebound, as chipmakers and big growth names advanced. The Philadelphia SE semiconductor index jumped more than 4% but is still down sharply for the year so far, while Apple shares were set for an eighth consecutive day of gains after getting hammered earlier this month. Nvidia Corp and Intel Corp climbed and helped to boost the S&P 500 and the Nasdaq. Data earlier showed the number of Americans filing new claims for jobless benefits dropped to a 52-1/2-year low last week, while unemploymen…