US STOCKS-U.S. stocks at record highs as materials shares surge
* Dollar down for second straight day
* Fed to release minutes of July meeting on Wednesday
* Philadelphia semiconductor index hits 16-year high
* Indexes up: Dow 0.45 pct, S&P 0.44 pct, Nasdaq 0.7 pct (Updates to early afternoon)
By Yashaswini Swamynathan
Aug 15 (Reuters) - U.S. stock indexes climbed to all-time highs on Monday, building on their record-setting rallies of the past few weeks, as raw materials stocks surged.
The S&P 500 materials index rose 1.06 percent to a one-month high, with all its components in the black, as the dollar index fell for the second straight day.
Better-than-expected corporate earnings in the latest quarter, coupled with expectations that the Federal Reserve would continue to keep rates low, have stoked appetite for U.S. equities.
Since July, the S&P 500 index has notched 13 record intraday highs, including on Monday. Continuación...