Major stock indexes were little changed Thursday, although the S&P 500 and Nasdaq Composite set fresh all-time highs. Meanwhile, oil futures pulled back further after sinking yesterday on hopes a U.S.-Iran peace deal was near.  The tech-heavy Nasdaq and benchmark S&P 500 were 0.3% and less than 0.1% higher, respectively, in early trading. The blue-chip Dow Jones Industrial Average ticked 0.1% lower after opening higher. Yesterday , the Nasdaq, S&P 500, and Dow finished a respective 2%, 1.5%, and 1.2% higher, with the Dow adding more than 600 points and the S&P 500 and Nasdaq setting intraday and closing records for a second straight day. West Texas Intermediate and Brent crude futures pulled back further Thursday after each sank 7% yesterday on optimism a Middle East peace deal was near. WTI futures, the U.S. crude oil benchmark, were down 3.8% to $91.50 a barrel in recent trading, while front-month contracts of Brent crude, the global benchmark, fell 3.4% to $97.85.…