By Caroline Valetkevitch NEW YORK (Reuters) – The S&P 500 posted a second straight record high close on Monday as tech stocks added to recent gains and investors awaited upcoming corporate reports for clues on this year’s profit outlook. Friday’s finish confirmed that the S&P 500 has been in a bull market since it closed at its low on Oct. 12, 2022, according to one commonly used measure. Netflix, Tesla, Abbott Laboratories, Intel and Johnson & Johnson, are due to report this week. Several top tech-related heavyweights, including Microsoft and Apple, are expected to report results next week. “…